He appears to be strong and healthy but, he suffers from a weak heart.
A. as a matter of fact
B. what’s more
C. accordingly
D. no wonder
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(答案→)A. as a matter of fact
B. what’s more
C. accordingly
D. no wonder
解析：考查短语辨析。as a matter of fact 事实上，what’s more 此外，accordingly 按照，no wonder 难怪，句意：他看起来很强壮健康但是，事实上他患有轻微的心脏病。所以选A。