Calcium Supplements Combined with Vitamin D Result in Small but Significant

Calcium supplements combined with vitamin D result in small but significant reductions in bone loss.Benefits of this combination are significant because the bioavailability of both vitamin D and calcium is enhanced in combined supplements.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.