___to Jane's parents, Tonny looked a bit nervous and upset.
问题描述：
___to Jane's parents, Tonny looked a bit nervous and upset.
A.This being his first visit
B.This being hisfirst time to visit
C.Having never visited before
D.Never having visited
答
选a bcd 排除的原因是不能用visit to sb, 而是直接visit sb
而a中的visit是名词形式