《归档整理规范》要求长期、永久保存的工程资料不得用() A
A、碳素墨水
B、蓝黑墨水书写
C、圆珠笔书写
D、光盘
参考答案:C
Although _____ my opinion, the old professor didn’t come up with his own.
A.to
B.in
C.for
D.against