Q: 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.
Problem: two cards are drawn together from a pack of 52 cards the probability that one is the spade and one is a heart is ?
Options: a. 85 / 852, b. 45 / 69, c. 18 / 456, d. 13 / 102, e. 23 / 125
A:
d