Question

your timing, mr. morales, is impeccable. i cannot say the same about your appearance. source: the dead and the gone in the sentence above, impeccable has the same or almost the same meaning as: dubious surprising sudden flawless

Explanation:

"Impeccable" means without fault or error. "Flawless" also means having no flaws or imperfections. The other options - "dubious" means doubtful, "surprising" means causing surprise, and "sudden" means happening quickly without warning - do not match the meaning of "impeccable".

Answer:

D. flawless