题目内容

There are the following segments: int x1,x2；char y1,y2；scanf（"%d%c%d%c"，&x1,&y1,&x2,&y2）; If the values of x1, x2, y1 and y2 are required to be 10, 20, a and b respectively, the correct data input is ( ) (Note: └┘ represents the space)

A. 10A└┘20B
B. 10└┘A20B
C. 10 └┘A└┘20└┘ B
D. 10A20└┘B

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