Look at the blank with the number 9 in the passage. Which of these answers correctly completes the sentence? A) among B) by Reac
tivate C) under D) with Specialist cats like African servals that catch birds and rodents using their unique talents, aerial acrobats like the South American margay, and rugged adventurers like the sand cat eke out a living 9 difficult conditions.
Under is the correct word here and means in. Under difficult conditions is referring to the existence of the cats the physical conditions like landscape and weather that do not make their life easy.
With and among would not work in this sentence, because among refers to being amid a selection of something, and with would refer to either a type of company or object.