In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

Why animal may use a rock as shelter (A) Centipede (B) Dolphin (C) Seagull (D) Dog
A

Who is most likely to die of old age? (A) adults (B) children (C) infants (D) reasonable high-school students
A

A person needing to last a long time in an arid space with limited water sources will (A) drink sparingly (B) drink frequently (C) drink greedily (D) drink liberally

A