Question

She likes children,and so she is good            the children.

A. on    B. for    C. with    D. by

Answer

C

【解析】句意：她喜欢孩子，所以她擅长与孩子交往。A. on在……上；B. for为了；C. with与……一起；D. by被，通过。be good with擅长于和…打交道，结合句意可知，答案为C。