I think it would be A because the others don't really make sense to me.
The statement best expresses a key idea of this passage is People should consider greeting each other with handshakes.
<h3>What is passage?</h3>
Comprehension passage refers to write ups in which questions are given in under to understand the comprehension or passage well.
Therefore, The statement best expresses a key idea of this passage is People should consider greeting each other with handshakes.
Learn more about passage below.
brainly.com/question/17000042
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