九阴真经五仙教一内49:.$temp=’this is a temped variable’; echo foo${temp} 上述命令执行的结果为
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A foo
B、foo$temp
C、foo’this is a temped variable’
D、foothis is a temped variable
B、foo$temp
C、foo’this is a temped variable’
D、foothis is a temped variable