Critical Reasoning (CR) | Re: Ann- Your son is very intelligent. Mary- Yes, he always gets the first

Here is an explanation I found online; Explanation:

B is clearly wrong. Hence we reject it.
There is no comparison being drawn between the child and others in his class. Neither does Ann seem to mean that nor does Mary seem to interpret that. Hence we reject D.
Ann does not make any comment on intelligence. She is discussing Mary's son. And Mary also only talks about her son. Hence we can not say that Mary thinks either of B and E. Mary instead thinks that Ann is trying to say that her son is
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