<p>Collegeboard gave the damn answer: “vehement.”
Yes, I chose the answer as “caustic.”
I thought so too; I thought “vehement” was related to rancor and hostility-
unfortunately, I did not study enough and did not know another meaning… ;(</p>
<p>OKay, now can’t we just stop debating about this problem?
It is “always” beneficial to debate to learn from one another, but such commentaries are unnecessary…getting too personal here</p>