单项选择题

J. Wilson argues that ______.

A．since speakers will inevitably be affected by the recording one should not study such effects
B．since speakers will inevitably be affected by the recording one should deliberately study such effects
C．since speakers will not be affacted by the recording one should not study such effects
D．since speakers will not be affected by the recording one should deloberately study such effects

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单项选择题

With modem audio -recording equipment, there is (are) ______.

A．no difficulty in recording speakers in many face -to-- face situations or on the telephone
B．still some difficulties in recording speakers in many face -to -face situations or on the telephone
C．no difficulty in recording speakers in many face - to - face situatious but some on the telephone
D．some difficulties in recording speakers in many face - to - face situations but not an the telephone