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]: Natural chlorine contains ____ isotopes.\Question: Choose the right answer from options given a) two b) six c) eight d) seven
[A]: a


[Q]: Diatoms look like ____ shells that fit together.\Question: Choose the right answer from options given a) zero b) one c) two d) seven
[A]: c


[Q]: Women are ____ less familiar than men with desire, pride, anger, aggression, selfishness and greed.\Question: Choose the right answer from options given a) no b) seven c) zero d) five
[A]:
a