was cooked by Mum. It was so delicious.A. The dinnerB. A dinnerC. An dinnerD. Dinner

问题补充：

was cooked by Mum. It was so delicious.

A. The dinner

B. A dinner

C. An dinner

D. Dinner

答案：

(答案→)A. The dinner

B. A dinner

C. An dinner

D. Dinner

解析：句意：晚饭被妈妈做的是如此的美味。在通常情况下，三餐前不用冠词，但是若要特指某一顿早餐、午餐或晚餐，可以再其前面加上定冠词。故选A。