Determine Which Fallacy, If Any, Is Committed in the Following

Multiple Choice

Determine which fallacy, if any, is committed in the following arguments.
-Has anyone ever proven that soccer players would be protected from head injuries if they wore some kind of helmet? Then it must be true that helmets are unnecessary in soccer.

A) begging the question
B) appeal to ignorance
C) appeal to illegitimate authority
D) ad hominem
E) strawman
F) red herring
G) no fallacy committed