Do you know that Yuan Longping is known as father of hybrid rice (杂交水稻)?A. /B. the C. aD.

问题补充：

Do you know that Yuan Longping is known as father of hybrid rice (杂交水稻)?

A. /

B. the

C. a

D. an

答案：

(答案→)A. /

B. the

C. a

D. an

解析：考查冠词：father of hybrid rice表示一种身份，而不是具体的某个人，前面不用冠词。句意：你知道袁隆平是以杂交水稻之父著称吗？选A。