965.Modern science has given clear evidence _______ smoking can lead to many diseases.
A.what
B.which
C.that
D.where
966.I'd like to start my own business-that's ____ I'd do if I had the money.
A.why
B.when
C.which
D.what
965.答案是C;that引导同位语从句，说明evidence的具体内容。
966.答案是D;此处what引导表语从句，且在从句中充当do的宾语。
