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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.

答案是C 没有问题。 我的问题是，如果没有patient's exercise and athletes exercising 的并列问题，C 选项的语序好还是D, 还是A。 即如果改改A 和D，

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 the exercise of both heart patients and athletes

(A) Monitoring the exercise of both heart patients and athletes is now done by small transmitters broadcasting physiological measurements to nearby recording machines.