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').

Selenium is ____ times more poisonous than arsenic.\Question: Choose the right answer from options given a) one b) five c) eight d) two
b

Ants have ____ distinct body parts.\Question: Choose the right answer from options given a) nine b) zero c) no d) three
d

Ultraviolet light accounts for less than ____ percent of solar energy.\Question: Choose the right answer from options given a) ten b) six c) zero d) seven

a