What role does the bolded pronoun serve in the following sentence?

marcus asked natalie to bring "us" the box of supplies

a: it is the subject
b: it is the object of preposition
c: it is a direct object
d: it is an indirect object

in which sentence are the pronoun and antecedent "not" in agreement?

a: everybody needs to call its parents.
b: the doctor e-mailed all her patients
c: the child lost interest in his toy.
d: how can we friend?

prefixes, roots, and suffixes are examples

a: reading strategies
b: memory aids
c: word parts
d: descriptive words