Teacher:Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Teacher: Now, understand the problem? Solve this instance: Problem: there are cats got together and decided to kill the mice of 999964. each cat kills equal number of mice and each cat kills more number of mice than cats there were. then what are the number of cats ?
Options: a. 941,1009, b. 991,1001, c. 991,1009, d. 791,1009, e. 994,1006
Student:
e