问题补充：
How nice it if I an elder brother like you!
A. was; had
B. would be; had had
C. would have been; had
D. would be; had
答案：
A. was; had
B. would be; had had
C. would have been; had
(答案→)D. would be; had
解析：考查虚拟语气。根据语境可知为对现在事实相反的虚拟语气，故从句用一般过去时，主句用would + V原形。选D。
