Our country is developing at an amazing speed，which is________makes me feel so proud.
A．what B．why
C．that D．where
Our country is developing at an amazing speed，which is________makes me feel so proud.
A．what B．why
C．that D．where
A 解析： which引导的非限制性定语从句代替前面的整个句子。定语从句中又包含了一个表语从句，因为从句中缺少主语，故用what引导。