Question

Ever since the family moved to the suburbs last year, they ____2____ better health.

Ever since the family moved to the suburbs last year, they____2____ better health.
A) could have enjoyed
B) have been enjoying
C) had enjoyed
D) are enjoying（B）
我认为是A

Answer 1

B是对的，这句话的意识是自从这家去年搬到郊区，他们一直享受着更好的身体状况。A是虚拟语气，意思是没有实现，本应该享受，所以不正确，B是现在完成进行时，表示从某时开始一直……

Answer 2

选B ever since +一般过去时，主句 用 现在完成时或现在完成进行时

Answer 3

A选项为本可以享受，B为从过去到现在一直在享受，所以选B

Answer 4

句子考察现在完成时。。选B
自从去年他们一家搬到郊区，他们身体都较之前健康。