TASK DEFINITION: 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').
PROBLEM: Prairie voles look like rodents with small rounded bodies, ____ short legs and a short tail.\Question: Choose the right answer from options given a) two b) nine c) four d) zero

SOLUTION: c

PROBLEM: Respiratory therapists complete two to ____ years of education.\Question: Choose the right answer from options given a) no b) one c) four d) eight

SOLUTION: c

PROBLEM: Spotted hyenas are the largest of ____ hyena species.\Question: Choose the right answer from options given a) five b) three c) no d) six

SOLUTION:
b