阅读下列材料，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。
A
Summer vacation is coming soon. To enjoy a relaxing holiday, here we'd like to share with you some of the best rock and jazz festivals. Although many Ukrainian music festivals were canceled because of the bad financial condition, plenty remain for music lovers.
Krayina Mriy
When and where：June 2021, Kyiv, Pyrohovo folk museum
Lineup (阵容)：TNMK, Boombox, Vopli Vidoplyasova, Onuka
Krayina Mriy is an annual (每年的) rock music festival that promotes modern music. Besides music, the festival will offer dances as well as literary and theatrical performances and also playing of a traditional music instrument.
Alfa Fest
When and where：June 2628, Lviv
So far all tickets have been booked, but a waiting list is available at www. alfajazzfest. com/buyticket. This annual festival held in Lviv will be interesting for both experienced jazz lovers and jazz learners. The performers on the lineup come from Ukraine, Japan, Cuba and the US.
Koktebel
When and where：Aug. 22Sept. 6, Zatoka village, Odesa Oblast
Koktebel Jazz is the biggest outdoor jazz festival. The Cinematic Orchestra, Parov Stelar, Nino Katamadze, Bonobo, Submotion Orchestra, Billy's Band were the GALA'S superstars in previous years. This year the list of festival's participants and tickets prices still remain unknown but the organizers revealed (透露) that apart from good jazz, the guests will be offered music lectures and movie screenings.
Respublica
When and where：Sept. 47, KamyanetsPodilsky, Khmelnytska Oblast
Folk music and street art festival Respublica will take place in KamyanetsPodilsky, one of the most beautiful cities in the west. KyivPost staff writer Nataliya Trach can be reached at trach@ kyivpost. com. Booking in advance can get a good discount.
21．Who is the text mainly intended for?
A．People enthusiastic about music.
B．People fond of travelling around.
C．Merchants able to make a fortune.
D．Musicians able to play various instruments.
22．What do Krayina Mriy and Alfa Fest have in common?
A．Their performers are all from Ukraine.
B．Their aim is spreading modern music.
C．They both offer other performances.
D．They are both yearlyheld festivals.
23．Which festival lasts the longest?
A．Krayina Mriy. B．Alfa Fest. C．Koktebel. D．Respublica.
