1970 AHSME Problem 17

If r\ge 0, then for all p and q such that pq\neq 0 and pr>qr, we have

\begin{array}{l} \textbf{(A) }-p>-q\qquad \textbf{(B) }-p>q\qquad \textbf{(C) }1>-q/p\qquad\\ \textbf{(D) }1<q/p\qquad \textbf{(E) }\text{None of These} \end{array}

Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.