Question

furtive has the same or almost the same meaning as: incorporated plaintive proportionate covert

Explanation:

"Furtive" means acting or done in a secretive or stealthy way. "Covert" also means not openly acknowledged or displayed, having a secretive nature. The other words - "incorporated" means combined or made part of a whole, "plaintive" means expressing sorrow, and "proportionate" means in proportion. So "covert" is the synonym.

Answer:

D. covert