Do you consider it any good psychology?A. to learnB. to have learnedC. learningD. having

问题补充：

Do you consider it any good psychology?

A. to learn

B. to have learned

C. learning

D. having learned

答案：

A. to learn

B. to have learned

(答案→)C. learning

D. having learned

解析：考查动名词做宾语：句意：你认为学习心理学有好处吗？这是it做形式主语的句型：it is good

doing sth的变形，这里的it做形式宾语，而本来的主语动名词，这里做宾语，选C。