哪个选项能输出“smith\exam1\test.txt”这个结果？

哪个选项能输出“smith\exam1\test.txt”这个结果？
A.print("smith\exam1\test.txt")
B.print("smith\\exam1\\test.txt")
C.print("smith\"exam1\"test.txt"）
D.print("smith"\exam1"\test.txt")
正确答案：print("smith\\exam1\\test.txt")