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: Ladybugs have ____ legs and keep their wings tucked away until they are ready to fly.\Question: Choose the right answer from options given a) six b) eight c) one d) zero

A: a
****
Q: Background radiation comes from ____ sources.\Question: Choose the right answer from options given a) zero b) three c) four d) no

A: b
****
Q: Imago is a group of ____ young musicians whose love for music is full of passion.\Question: Choose the right answer from options given a) four b) seven c) two d) no

A:
a
****