---How did the warm-hearted lady find you and return your lost bag?

---She said that she           my bag on the bench with my name card in it.

A．notice

B．was noticing

C．has noticed

D．had noticed

有助于监测骨肉瘤术后复发的酶学检查（）

A.酸性磷酸酶

B.碱性磷酸酶

C.谷丙转氨酶

D.二氢叶酸还原酶

E.琥珀酸脱氢酶