There is no doubt that I'm trying to do what is best but I have got to consider the cost

问题补充：

There is no doubt that Im trying to do what is best, but I have got to consider the cost.

A. merely

B. equally

C. nearly

D. mostly

答案：

A. merely

(答案→)B. equally

C. nearly

D. mostly

解析：B 考察副词辨析。句意：毫无疑问，我正在尽力做到最好，但我同样得考虑成本。Merely仅仅，只是；equally同样地；nearly几乎，接近地；mostly主要的。根据句意可知B正确。