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]: Facial features are smooth and very ____ dimensional.\Question: Choose the right answer from options given a) zero b) four c) ten d) three
[A]: d


[Q]: Men are ____ times as likely to commit suicide than women.\Question: Choose the right answer from options given a) seven b) two c) four d) one
[A]: c


[Q]: Lake sturgeon have sharp, cone-shaped mouths with ____ smooth barbels on the underside.\Question: Choose the right answer from options given a) four b) no c) six d) three
[A]:
a