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]: Scandinavian eye color testifies to (A) genes have little effect at all on eye color (B) dominant alleles are more common there (C) recessive genes being more common there (D) Thor's Hammer causes it to be so
[EX A]: C

[EX Q]: 2000 years ago, this method would likely have brought sand from the coast to the desert (A) the pyramids often eroded, making their own sand (B) constant breezes over time (C) human automobiles transfer materials (D) the space shuttle moved sand great distances
[EX A]: B

[EX Q]: which form of transportation has zero emissions? (A) motorbikes (B) speed boats (C) hybrid cars (D) pedal bikes
[EX A]:
D