Soldier ants are sterile, wingless females that serve many roles within a colony, from serving as sentinels and sound a warning when danger is near.
(A) serving as sentinels and sound
(B) serving as sentinels and sounding
(C) to serve as sentinels and to sound
(D) serving as sentinels to sound
(E) serving as sentinels to sounding
OA E
Source: Manhattan Prep
Soldier ants are sterile, wingless females that serve many roles within a colony, from serving as sentinels and sound a
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