Answer correctly pls

How does gatsby smile at nick? why is this important?

Which of the following is a compound complex sentence

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