Question

embark most nearly means
a preserve.
b welcome.
c humiliate.
d commence.

Explanation:

"Embark" means to begin or start (a journey or task). "Commence" also means to start or begin. "Preserve" means to protect or keep safe. "Welcome" means to greet or receive. "Humiliate" means to make someone feel ashamed. So "embark" is closest in meaning to "commence".

Answer:

D. commence.