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: Sound waves travel through the air in a similar manner, but in all ____ dimensions.\Question: Choose the right answer from options given a) three b) five c) nine d) one

A: a
****
Q: Hypertension affects nearly one in ____ adults.\Question: Choose the right answer from options given a) three b) seven c) five d) zero

A: a
****
Q: Yeasts are of ____ kinds.\Question: Choose the right answer from options given a) no b) two c) zero d) one

A:
b
****