7. Monitoring heart patients’ exercise, as well as athletes exercising, is now done by small transmitters broadcasting physiological measurements to nearby recording machines.
(A) Monitoring heart patients’ exercise, as well as athletes exercising, is now done by small transmitters broadcasting physiological measurements to nearby recording machines.
(B) Monitoring the exercise of heart patients, as well as athletes exercising, is now done by small transmitters broadcasting physiological measurements to nearby recording machines.
(C) Small transmitters broadcasting physiological measurements to nearby recording machines are now used to monitor the exercise of both heart patients and athletes.
(D) Broadcasting physiological measurements to nearby recording machines, small transmitters are now used to monitor heart patients’ exercise, as well as athletes exercising.（C）
(E) Both athletes exercising and heart patients’ exercise are now monitored by small transmitters broadcasting physiological measurements to nearby recording machines.
这道题为什么不能选 D? 谢谢！
to monitor heart patients’ exercise, as well as athletes exercising
中的 exercising与exercise明显不平行呀！而且是同一个词，这样用肯定不对的。即使换成as well as athletes’ exercise,也不是也个很好的答案。仔细体会一下！
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