Do you consider it any good psychology?
A. to learn
B. to have learned
C. learning
D. having learned
网友回答
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。