In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

[EX Q]: What would light bounce off of when it hits it? (A) a wall painted grey (B) old worn out leather (C) a freshly waxed car (D) a street made of gravel
[EX A]: C

[EX Q]: A stone may experience the most weathering over (A) a week (B) a year (C) a century (D) a decade
[EX A]: C

[EX Q]: If you had a hammer, you would find ____ nails made of ____ (A) wood; wood (B) iron; wood (C) wood; iron (D) iron; iron
[EX A]:
D