Douglass's use of the phrase "my master" is a strong cue that A) he has been a slave. B) he has been a pro golfer. C) he has been an apprentice. D) he has been to an English school.

Douglass's use of the phrase "my master" is a strong cue that he has been;

A. He has been a slave

"When his master takes away the wages Douglass earns, he sometimes gives him a small part of it back. But Douglass is far from grateful; in fact, this makes him even more sure that he deserves to have all of it back. Douglass also wants to show us the impossibility of being a good slave owner"

the answer to ur question is A) he has been a slave.