If city noises _____ from increasing, people _____ shout to be heard even at dinner table

20 years from now on. [ ]

A. are not kept; will have to

B. are not kept; have to

C. don't keep; will have to

D. don't keep; have to

冲压模的种类有冲裁模、弯曲模、拉延模、成型模、挤压模等。