There, in the mud, were footprints—footprints ______ (几乎是正常人脚的十倍大).

A．Barbiero took the treatment after being told the risk.
B．Dr. Sheldon Pollack started his work with the patients’ agreement to accept the potential risk.
C．A famous doctor should be authorized to use something he thinks okay on patients.
D．Barbiero is suffering a lot.

A．The man is a football fan.
B．The man needs the woman’s help.
C．The man didn’t watch TV last night.
D．The man often has power failure at home.