Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').

[EX Q]: Hydra has ____ distinct methods of reproduction, asexual and sexual.\Question: Choose the right answer from options given a) two b) zero c) no d) ten
[EX A]: a

[EX Q]: Some infected people have ____ symptoms at all.\Question: Choose the right answer from options given a) four b) eight c) no d) five
[EX A]: c

[EX Q]: Most mothers give birth to ____ young an average of every five to six years in the wild.\Question: Choose the right answer from options given a) six b) ten c) one d) seven
[EX A]:
c