For works with multiple authors, you may list the first author's name followed by which of the following that indicates there are multiple authors?

a. et al.
b. et all.
c. et all
d. and al.

As night falls, how many men are left standing on the battlefield? question 15 options: arthur alone, modred, and one of modred’s best knights modred, arthur, and two of arthur’s followers only arthur and modred only modred