The young woman was by no means satisfied with the eye operation．（）

A. both indoors and outdoors
B. both home and abroad
C. most distinguished scholars
D. desirable climate
E. cultural activities
F. external financial support

A．They account for 70％of all deaths．
B．They are responsible for most of the health care costs．
C．They often result in unhealthy lifestyles．
D．They are largely preventable．