China’s new food law provides for a food recall system _______ producers have to stop production if their food isn’t up to standards.

   A. where                         B. that                           C. when                       D. which

China’s new food law provides for a food recall system _______ producers have to stop production if their food isn’t up to standards.

   A. where                    B. that                      C. when                   D. which

China’s new food law provides for a food recall system _______ producers have to stop production if their food isn’t up to standards．

A．where       B．that          C．when         D．which

 China’s new food law provides for a food recall(召回) system__________ producers have to stop production if their food isn't up to standards.

A. where              B. that                  C. when                D. which