下列程序执行后，执行的结果是______ 。
Dim M(2)
For i = 1 To 2
M(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

离心泵填料涵压盖太紧，轴易发热，且磨损快，同时耗费动力。