— It is understandable for him to make such mistakes.— You are right that he is only a

问题补充：

— It is understandable for him to make such mistakes.

— You are right, that he is only a new hand.

A. considering

B. being considered

C. to be considered

D. considered

答案：

(答案→)A. considering

B. being considered

C. to be considered

D. considered

解析：考查非谓语动词。本题考查现在分词作状语，即为Considering that he is only a new hand， it is understandable for him to make such mistakes。选A。