请选择DCBA7v7g9J8F-g/l0T6B0c0O'H.}'uAre there _____ trees behind the house?4r+K6D,~2h8U:B
A. a4r+K6D,~2h8U:B
B. the4r+K6D,~2h8U:B
C. much4r+K6D,~2h8U:B
D. any4r+K6D,~2h8U:B