more attention the cabbages grown better.A. Given; could haveB. Giving; could beC. Give

问题补充：

more attention, the cabbages grown better.

A. Given; could have

B. Giving; could be

C. Given; could be

D. Giving; could have

答案：

(答案→)A. Given; could have

B. Giving; could be

C. Given; could be

D. Giving; could have

解析：考查过去分词做状语，the cabbages和give是被动关系，用过去分词做状语，Given more attention=if the cabbages had been given more attention，所以主句用虚拟语气，选A。