单项选择题
A.through contact with society B.gradually and under guidance C.naturally and by biological instinct D.through exposure to social information
A.He feels amused by their premature behavior. B.He thinks it is a phenomenon worthy of note. C.He considers it a positive development. D.He seems to be upset about it.
A.the widespread influence of television B.the poor arrangement of teaching content C.the fast pace of human intellectual development D.the constantly rising standard of living