—Do you know _______?

—She _______ Shanghai. [ ]

A. where is Lily, has gone

B. where Lily is, has been to

C. where is Lily, has been to

D. where Lily is, has gone to

诊断有机磷杀虫药中毒的最有意义的表现是（）

A.呼吸困难

B.呼出气刺激性大蒜味

C.血胆碱酯酶活力<70%

D.毒蕈碱样症状

E.烟碱样症状