Quote:
Whales make clicking sounds that are strange to human ears, but when those clicks ricochet off objects around the whales, the echoes tell it that there’s a fish to the left, another whale a hundred yards ahead, or a squid in the distance.
A. ears, but when those clicks ricochet off objects around the whales, the echoes
B. ears, when those clicks ricochet off objects around the whale; the echoes
C. ears, but when those clicks ricochet off objects around the whale; the echoes
D. ears, when
...



.jpg)

