答案：B

题目分析：句意：——很高兴见到你。——我也很高兴见到你。A.How do you do?   你好；  B. Nice to meet you, too. 我也很高兴见到你。C.Good morning.早上好。当遇见别人，别人跟你打招呼说Nice to meet you.你应该回答 Nice to meet you, too. 故选B。