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: Blood pressure is measured by ____ numbers.\Question: Choose the right answer from options given a) zero b) eight c) two d) seven

SOLUTION: c

PROBLEM: Aridity presents ____ main obstacles to solitary behavior.\Question: Choose the right answer from options given a) no b) three c) two d) five

SOLUTION: c

PROBLEM: Caterpillars grow rapidly and typically complete their larval development in ____ to eight weeks.\Question: Choose the right answer from options given a) seven b) ten c) five d) three

SOLUTION:
a