Though golden weeks over the past eight years have______huge returns for China's tourism industry，voices ______ cancellation of the nationwide holidays are becoming even stronger.

A．brought about；calling for

B．brought up；called on

C．brought in；calling in

D．brought on；called up

Though golden weeks over the past eight years have______huge returns for China's tourism industry，voices ______ cancellation of the nationwide holidays are becoming even stronger.

A．brought about；calling for

B．brought up；called on

C．brought in；calling in

D．brought on；called up

Though golden weeks over the past eight years have______huge returns for China's tourism industry，voices ______ cancellation of the nationwide holidays are becoming even stronger.

1. A.
   brought about；calling for
2. B.
   brought up；called on
3. C.
   brought in；calling in
4. D.
   brought on；called up