Zealous = enthusiastic
The over zealous teenager was so excited about landing the part in the school play he jumped for joy and accidentally punched the teacher in the nose during his celebration.
scruples = morals
The old man's scruples compelled him to call out the young man on his habit of having two girlfriends at one time.
placid = calm
The placid surface of the lake at dawn was interrupted by the gaggle of geese that landed in a honking cacophony.
palpable = tangible
The thudding of his heartbeat as his crush walked into the room wearing a low-cut dress was palpable.
The answer is B.<span>Where can I substitute?</span>
A) It suggests that the author has a positive opinion of the pills and believe they can help protect athletes' lives.
