网址：http://m.1010jiajiao.com/timu3_id_2887194[举报]
Edison who invented light had _________ knowledge of science.
A. a; \ B. a; a C. the; \ D. the; a
Edison who invented light had ________ knowledge of science．
A．a; \
B．a; a
C．the; \
D．the; a