According to the Text, Mobile Devices Like Smartphones and Tablets

According to the text, mobile devices like smartphones and tablets allow people to carry the tool with them, engage with social networks, and in some cases,

A) link to personal health data stored by personal doctors and hospitals.
B) link to health-related Websites to learn about health-related matters while exercising.
C) record diet and physical activity data more accurately.
D) Cheat on personal exercise and diet logs.