He ______ the upper hand in the competition but, at that time, he gave rein to his emotions and ruined the game.

A．To give us a portrait of a legendary person—Abram Petrovich Gannibal.
B．To reveal the origin of Gannibal.
C．To indicate the connection of Pushkin and Gannibal.
D．To introduce Hugh Barnes's research work and his book on Cannibal.

A．He was very brave, persistent and ambitious.
B．He did not blindly worship the authorities.
C．He was down to earth and tried to be objective.
D．He devoted himself to his work, but was liable to fishing for fame and money.