Answer:
The following singular noun changes vowels when made plural: Mouse
Explanation:
B. Their baby was born at 2.00 A.M.
C. The earliest flight leaves at 505 A.M.
B. 66%
C. 28%–41%
D. 8%
The author is implying that A. The deer was not able to pick up his scent, and, therefore, he was able to take a picture of it right before he took off. The animal was close to him (only fifteen yards, but, because of his keen sense of smell, a deer can actually detect an odor even it comes from several hundred yards away, or even if it is a very faint odor), but presumably because there was no wind or breeze that could drift the author's scent, or the wind was in the author's face, he was able to take a shot of him.
a assert
b quibble
c rant
d fastidious