Select the Best Choice Given the Three Following Descriptions

Select the best choice given the three following descriptions:
I. A base is a proton acceptor.
II. A base is a source of hydroxide ions in water.
III. A base is an electron pair donor.

A) I and II are true, III is false
B) II and III are true, I is false
C) I and III are true, II is false
D) I, II, and III are all true
E) I, II, and III are all false