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').

[EX Q]: Reliability affects the production of goods in ____ distinct ways.\Question: Choose the right answer from options given a) one b) eight c) six d) three
[EX A]: d

[EX Q]: Most internal parasites are specific to one or ____ species.\Question: Choose the right answer from options given a) seven b) three c) two d) five
[EX A]: c

[EX Q]: Bluegills average four to ____ inches in length.\Question: Choose the right answer from options given a) two b) no c) ten d) five
[EX A]:
c