Which of the Following Is True with Respect to Modified

Which of the following is true with respect to modified duration hedging?

A) Modified duration hedging always works as a good approximation when yields change.
B) Modified duration hedging always works except when yields changes are large.
C) Modified duration hedging can only be applied to zero-coupon bonds.
D) Modified duration hedging always works if combined with convexity hedging.
E) Modified duration hedging works only for parallel shifts in the yield curve.