____ his arrival___the airport,he saw a dog.A.On,at B.At,of C.On,of D.At,on

题目

____ his arrival___the airport,he saw a dog.A.On,at B.At,of C.On,of D.At,on

答案

A
解析：首先airport 是一个点的 地点,因此使用at ,只有A符合

on his arrival,当他到达.