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').

Illiteracy is ____ percent higher among women than men.\Question: Choose the right answer from options given a) seven b) six c) zero d) five
a

Evolution is dependent on ____ forces.\Question: Choose the right answer from options given a) no b) five c) two d) seven
c

Earthquakes are most frequent where ____ or more plates meet.\Question: Choose the right answer from options given a) one b) two c) seven d) nine

b