As what part of speech does the infinitive phrase function in this sentence? I want to visit Montana again next summer.

A. noun
B. verb
C. adjective
D. adverb

What is the subject matter of the book a long way gone by ishmael beah? a. beah's experience as a boy soldier b. the life of a child kidnapped into slavery c. a story about the civil war in nigeria d. a novel about a fictional hero of war select the best answer from the choices provided a b c d