计算结果不是字符串"Student"的语句是(). A.left("Student"
题型:单项选择题
问题:
计算结果不是字符串"Student"的语句是().
A.left("Student", 7)
B.substr("MyStudent", 3, 7)
C.right("MyStudent", 7)
D.at("MyStudent", 3, 7)
计算结果不是字符串"Student"的语句是().
A.left("Student", 7)
B.substr("MyStudent", 3, 7)
C.right("MyStudent", 7)
D.at("MyStudent", 3, 7)