The first one is D and the second one is C
<span>It is appropriate to break the rule that
requires subjects joined by and to use a plural verb when: the two
subjects separated by and refer to the same person or thing. Examples
are: Peanut butter and jelly is my favorite sandwich. Red beans and
rice is my mom's favorite dish. </span>
She does not see anything wrong with it.
I believe it is C), leaders. :)