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').

Q: Springtails reproduce quickly usually within three to ____ weeks.\Question: Choose the right answer from options given a) five b) six c) nine d) three

A: a
****
Q: Plants have three and ____ way branching carying sixteen buds.\Question: Choose the right answer from options given a) seven b) six c) four d) ten

A: c
****
Q: Civil registration is divided into ____ parts, birth, marriage and death.\Question: Choose the right answer from options given a) three b) eight c) ten d) five

A:
a
****