單項(xiàng)選擇題

The chirmn’s speech ______ the rdio when I turned it on.ws brodcst onB．ws being brodcst oT

he chirmn’s speech ______ the rdio when I turned it on.ws brodcst on B．ws being brodcst on C．ws brodcsting in D．brodcst overA．was broadcast onB．was being broadcast onC．was broadcasting inD．broadcast over
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