[单选题]
Two objects attract each *v1q 9kg gd5nw4b au6wother gravitationally. If the distance a-iowc:edvi6;sg 8u: between their centers is cut in half, the gravitatiow8s;i o:gei ac-:6duvnal force
A. is cut to one fourth.
B. is cut in half.
C. doubles.
D. quadruples