成人英语三级考试

【单选题】We were just ______ calling you up ______ you came in, ______ was unexpected.


A．about; when; that
B．on the point of; as; as
C．on the point of; when; which
D．on the point of; as; as

网考网参考答案：C
网考网解析：
on the point of意为“正要……的时候”；which引导一个非限制性定语从句，表示when所引导的那个并列句的意思。 查看试题解析出处>>