Ms. Hartfield will make an excellent executive because, when confronted with a problem, she knows （） what course of action to take.

A.hastily

B.urgently

C.abruptly

D.instantly

早期胃癌是指（）

A.癌灶直径在2.0cm以内

B.癌灶局限于黏膜或黏膜下层

C.癌灶边缘光整

D.癌灶无转移且直径小于1.5cm

E.未见半月征