Question

nostalgic has the same or almost the same meaning as: unaccountable artless causal wishful

Explanation:

"Nostalgic" means feeling a bittersweet longing for the past. "Wishful" implies having hopes or desires, and can convey a longing - like sentiment similar to being nostalgic. The other words "unaccountable", "artless", and "causal" have completely different meanings.

Answer:

D. wishful