Question

【题目】Beijing, is the capital of China, is a beautiful city.
A.that
B.it
C.which
D./

Answer 1

【答案】C
【解析】句意：北京是中国的首都，是一个美丽的城市。非限制性定语从句（定语从句前有逗号），用which不用that，故选C。