----- I hear Tom got caught cheating in the final exam.

----- Yes. Little ________ that we were watching his every move.

A．realised he

B．he did realise

C．he realised

D．did he realise

关于细菌性食物中毒，下列说法中哪项正确（）

A.进食被细菌或细菌毒素污染的食物而中毒

B.进食被细菌污染的食物而中毒

C.以上均正确

D.进食被粪便污染的食物而中毒

E.进食被细菌毒素污染的食物而中毒