Please read the following quotation and then answer the question.

"I got some chocolates," Mr. Thomas said. "Don't like 'em myself. Here you are. Not enough to go round…The gang was puzzled and perturbed by this action and tried to explain it away..."We'll show him we don't take bribes," Blackie said, and they sacrificed the whole morning to the game of bouncing that only Mike was young enough to enjoy.

The quotation above describes Blackie as what type of gang leader?
A. violent and over-bearing
B. influential and unwilling to back down during conflict
C. a strong negotiator
D. unwilling to accept discipline from anyone