已知全集U={1，2，3，4，5，6}，集合A={1，2，5}，C_UB={4，5，6}，则集合A∩B=[ ]

A.{1，2}

B.{5}

C.{1，2，3}

D.{3，4，6}

You need a lot of ______ if you want to become a good nurse.

A．course

B．performance

C．practise

D．training