The climate in south in winter is not as cold as_____A in Beijing B of Beijing C that of Beijing D Beijing

The climate in south in winter is not as cold as_____A in Beijing B of Beijing C that of Beijing D Beijing
The climate in south in winter is not as cold as_____
A in Beijing B of Beijing
C that of Beijing D Beijing

The climate in south in winter is not as cold as_____A in Beijing B of Beijing C that of Beijing D Beijing
C ,因为这里that指代前面的climate,又因为比较的是北京的天气,故后面跟of表示所属关系,

A 与前面的in south 是对应的。