The author admires Anthony. Trollope particularly for ______.

A．is basically a self-taught occupation and no instructions on how to deal with it are of any practical use
B．is a "trial and error" process and it does not count whether you have the gift for writing or not
C．for a living is the most difficult and risky of all careers, full of frustration and discouragement
D．sometimes provides good hopes of winning public praise and escaping humiliating poverty

A．summarizes a great deal of general weather information
B．appears daily and can be interpreted accurately
C．presents data on atmospheric conditions over a wide area
D．shows ever-changing fronts