修表匠修理手表时动作非常精细，请问他灵巧的手是受什么支配的 [ ]
A．大脑和小脑
B．小脑和脑干
C．脑干和脊髓
D．小脑和脊髓
答案：A
Was it ________ the conference of APEC that made Shanghai the focus of the world then?
A．holding
B．to hold
C．held
D．having held
