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Bats find their way ---- the night by emitting sonar signals and using the echoes that return to them to create a map ---- their surroundingsa process called echolocation.A) through / ofB) at / intoC) in / underD) into / inE) among / beyond
Bats find their way ---- the night by emitting sonar signals and using the echoes that return to them to create a map ---- their surroundingsa process called echolocation.
A) through / of
B) at / into
C) in / under
D) into / in
E) among / beyond