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').

Rock cavies become sexually mature when they are about one to ____ months old.\Question: Choose the right answer from options given a) one b) four c) three d) seven
c

Huntsman spiders have large, hairy bodies with ____ long legs.\Question: Choose the right answer from options given a) three b) eight c) ten d) six
b

Butterflies have three pair of legs - each divided into ____ parts.\Question: Choose the right answer from options given a) ten b) six c) no d) five

d