VB选择题，帮忙下~

1）下列Visual Basic程序段运行后，变量m 的值为（ B ）。 a = 2 : b = 1 : c = 5 If a < b Then m = a Else m = b If c < m Then m = c A.2 B.1 C.5 D.三项答案均不是 （2）给定程序段 Dim a As Integer, b As Integer, c As Integer a=1：b=2：c