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(2013·山东济宁一模)How close parents are to their children ________ a strong influence on the development of the children's characters.

A.having 7 [* ^; a1 X- d8 d) P7 L; H B.had' O0 F% \: `* d8 U; Y& Y2 W
C.has 6 d' X: `: \+ b) V# K D.have4 b. j, A1 i# \6 c

答案C

解析