You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
Q: Question: The area of a rectangle is equal to the area of right-angles triangle. What is the length of the rectangle?
I. The base of the triangle is 40 cm.
II. The height of the triangle is 50 cm.

Option A: I alone sufficient while II alone not sufficient to answer

Option B: II alone sufficient while I alone not sufficient to answer

Option C: Either I or II alone sufficient to answer

Option D: Both I and II are not sufficient to answer

Option E: Both I and II are necessary to answer
A:
Option D