题目内容：
Why does the author think that the grads are given an extra chance in starting a career? __________
A．The one-time recruitment payment offered by the PLA may ease the grads' economic burde B．The grads who join the army have more chances to further their study after completing their servic
C．Grads who have already volunteered to sign up can give up before the deadline for en-listment if they can find another job that is more suitabl
D．No restrictions are made on things like going abroad after the service perio
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