[nEiTy]

If present metal prices continue to sharply rise, the value of the copper in a penny will soon be greater than the face value of the coin.
(A) If present metal prices continue to sharply rise,
(B) If present metal prices are continuing their sharp rise,
(C) Should present metal prices continue their sharp rise,
(D) Continuation of sharply rising metal prices should mean that
(E) Metal prices’ sharp rise continuing should mean that