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').

Bytes are sets of ____ bits.\Question: Choose the right answer from options given a) four b) eight c) five d) ten
b

Habitat destruction is a concern for all ____ gorilla subspecies.\Question: Choose the right answer from options given a) no b) four c) three d) five
b

Quarks are the only fundamental particles that interact through all ____ of the fundamental forces.\Question: Choose the right answer from options given a) four b) no c) five d) six

a