——How do you like the set of popular science books?

——Wonderful! It _____ many problems we are interested in exploring.

A．refers

B．consults

C．covers

D．writes

法洛四联症四种畸形不包括（）.

A.肺动脉狭窄

B.室间隔缺损

C.房间隔缺损

D.主动脉骑跨

E.右心室肥厚