制定劳动定额的基本单位是（ ）

A．工种

B．工具

C．工时

D．工序

下列程序执行后，执行的结果是______ 。Dim M(2) For i = 1 To 2M(i) = 0 Next i k=2 For i = 1 To k For j = 1 To k M(j) = M(i) + 1 Print M(k): Next j Next I

A．1234

B．0123

C．0223

D．2345