Even as a young man Disraeli realized that one day his lettes would be ______.

A．he was as accomplished an observer as he was a descriptive writer
B．his capacity to observe and his ability to describe were unrivalled
C．he was capable of adapting descriptions to fit his observations
D．his observations and descriptions reflected his own personal ambitions

A．hurdles to surmount
B．insurmountable obstacles
C．peaks of success
D．impossible challenges