The Surviving Biographical Information About Demosthenes, the Greatest of Greek

The surviving biographical information about Demosthenes, the greatest of Greek orators, reveals that

A) he began his career as a polished and an effective public speaker.
B) for ten years, he exhorted his fellow Greeks to ally themselves to the rising power of Macedonia.
C) he was forced to commit suicide after he witnessed the Greek defeat at Chaeronea in 338 B.C.
D) his speeches have inspired orators into modern times.
E) all of the above