问题
选择题
–What did your parents think about your decision?
–They always let me do _______ I think I should.
A．when
B．that`
C．how
D．what
答案
答案：D
what（表示关系）（所）……的.Everyone should do what he thinks right.每个人都应该做自己认为是正确的事情。此外I think作插入语。