27. A(n)
of checks have been lost in the mail.
a. amount
b. number

the personification of the word prudence d) it effectively enhances the logos and ethos of the argument.

logos means appeal to the logic or reasoning of the people.

ethos means appeal to the credibility of the argument, that it is worth listening to and acting upon.

the answer is "began" because it is a action that can be done