I had wanted to take the career of being a model but I not good at dealing with constant

问题补充：

I had wanted to take the career of being a model, but I not good at dealing with constant media attention.

A. had been

B. has been

C. am

D. was

答案：

A. had been

B. has been

C. am

(答案→)D. was

解析：D 考察动词时态。句义：我原来打算当个模特，但当时我不擅长无休止的与媒体打交道，所以就没有当了。