Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers thequestion.
Express in terms of i.
- $-\sqrt{-224}$

A) $4 \sqrt{14} i$
B) $-4 \sqrt{14} i$
C) $4 \sqrt{14}$
D) $-4 \sqrt{14}$