Mariko decided to bake the cake herself.
in this sentence, the word "herself” is acting as a(n)
a. reflexive pronoun.
b. reciprocal pronoun.
c. objective pronoun.
d. intensive pronoun.

D. intensive pronoun

Intensive pronouns are used in order to add emphasis to the subject or antecedent of the sentence. Intensive pronouns take the same form as reflexive pronouns. However, the difference is that removing an intensive pronoun does not change the meaning of the sentence. These pronouns include myself, yourself, himself, herself, itself, ourselves, yourselves, themselves.

it is believed to be alfred, lord himself