Our neighbor offered to look after our baby while we were away, was very kind of her.
A. it
B. that
C. which
D. such
网友回答
A. it
B. that
(答案→)C. which
D. such
解析：考查定语从句。在定语从句中，关系代词which指代前面一句话的内容，可以在句中做主语。句意：我们的邻居主动提出当我们不在的时候帮助我们照顾我们的孩子，这一点他们真是太好了。故C正确。