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").

Q: which of these formations are typically the highest point from sea level? (A) the sandy river bank (B) a long river channel (C) a cooled lava top (D) a lush green valley

A: C
****
Q: A plane travels through what? (A) gas layers (B) plains (C) oceans (D) time

A: A
****
Q: which of these would make a better material for an electronic device component? (A) a brown copper panel (B) a string of cotton (C) a coil of rubber (D) a strip of plastic

A:
A
****