Select the letter of the term that correctly identifies the function of

the word or phrase in parentheses in the following sentence:
Some collectors give (friends) their surplus mineral specimens.
a. direct object
b. indirect object
c. object complement
d. predicate nominative
e. predicate adjectiv

b. indirect object

In the sentence, "Some collectors give (friends) their surplus mineral specimens," the word "friends" is functioning as the indirect object of the verb "give."

Therefore, the correct answer is b. indirect object.