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【单选题】
The author's own discoveries from the day-to-day relationships of parents and young teenagers indicate that ______.A.
storm and stress between the parents and the teenagers are normal
B.
storm and conflicts are unavoidable
C.
parents can never avoid the conflicts unless they love their children
D.
parents' strictness lead to their children's disapproval of them
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A.
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B.
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C.
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D.
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