2022计算机类考试计算机四级考试试题试卷(4W)

1. [单选题]There are two character strings：s and t.s="My favor is computer"，t=substr(s，9，5)．Then the result after operation is

A. S="My favor is computer"； t="compu"；
B. S="My favor is computer"； t="is co"；
C. S="My favor"； t="is co"；
D. S="My favor"； t="is computer"；

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