下列块结构条件语句,正确的是( )。
A.If x>10 Then
print"a"
Else if x>5 Then
print"b"
Else if x<5 Then
print"c"
End if
B.if x>10 Then
print"a"
Else if x>5
Print"b"
Else
Print"c"
End if
C.If x>10 Then
print"a"
Else if x>5 Then
print"b"
Else x<5 Then
Print"c"
End if
D.If x>10 Then
Print"a"
Else if x>5 Then print"b:
Else
Print"c"
End if