1955 AHSME Problem 11

The negation of the statement "No slow learners attend this school" is:

\begin{array}{l} \textbf{(A)}\ \text{All slow learners attend this school}\\ \textbf{(B)}\ \text{All slow learners do not attend this school}\\ \textbf{(C)}\ \text{Some slow learners attend this school}\\ \textbf{(D)}\ \text{Some slow learners do not attend this school}\\ \textbf{(E)}\ \text{No slow learners do not attend this school} \end{array}

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