If k and s are positive integers and the ratio of 2k to 6s is the same as the ratio of \(6k + 5\) to \(18s + 10\), which of the following must be true? I. \(k = s\) II. \(k = 1.5\) III. \(k = 1.5s\)
(A)None (B)I only (C)II only (D)III only (E)I and II
D