You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.

[Q]: Which action does a kitten learn from its mother?  
 (A) how to grow (B) how to meow (C) how to hunt mice (D) how to nurse milk
[A]: C


[Q]: After a star runs out of most of its hydrogen fuel, it becomes hotter and more luminous. What stage does this represent in the life cycle of a star?  
 (A) quasar (B) protostar (C) red giant (D) white dwarf
[A]: C


[Q]: The Great Basin in Nevada is characterized by uplifted, tilted blocks forming mountain ranges and downthrown blocks forming basins. What rock type is MOST likely to form in the basins?  
 (A) metamorphic (B) sedimentary (C) intrusive igneous (D) extrusive igneous
[A]:
B