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").

Which most likely requires the aid of specialized tissues at the ends of stems? (A) human assisted space travel (B) the quick growth of bamboo (C) cats digging with their claws (D) the slow growth of mammals
B

Rubber can protect from (A) cold (B) burns (C) electricity (D) fire
C

A kitten is born and a person who is petting it can know that it (A) broke through shell (B) was hatched (C) was an egg (D) came out breathing

D