$10.$ When should the ampersand be used? $($select all that apply$)$

a$.$ In text citations with two authors used inside parentheses

b$.$ Between the last three authors in a reference page

c$.$ In the body of the paper in place of the word and

d$.$ In the title of a manuscript

e$.$ When there are two to $20$ authors, use an ampersand before the final author$$s name on the reference page.