Edison considered his deafness ______.

A．deaf people make good inventors because they can focus without the distraction of conversation.
B．Thomas Edison could not keep a job.
C．Thomas Edison worked day and night on his experiments.
D．Thomas Edison was always interested in science and inventions, and he invented many important things.

A．The purchase will boost the company's presence in North America.
B．Adidas will have a fifth of the all-important U.S. market clothes.
C．Reebok will change a lot and move its headquarters from America.
D．The brands of Adidas and Reebok will remain.