He declined the invitation partly because he was busy and ____________.
A、for lack of money
B、partly because his lack of money
C、partly because he lacked money
D、partly his lack of money
【正确答案】：C
【题目解析】：考查的是并列连词and, 要求前后的语言材料形式要一致partly because he was busy 和partly because he lacked money 是两个表示拒绝邀请的平行结构， 均为原因状语从句。
