Acustomernotifiestheintegratorthatthesystemkeypadreportstroubleatawindow.Uponinspection，thecustomerfindsthewindowclosedandlocked；thecustomerresetsthesystemanditfailstocorrecttheissue.Whichofthefollowingstepsshouldtheintegratortaketoresolvetheissue？（）
A.Checkthatthesensorisnotmisaligned.
B.Cleanthespacebetweenthesensorandtheplate.
C.Togglethetamperswitchtoresetthesensor.
D.Bypassthezone.
参考答案：A
