According to the passage, what can government do to reduce the number of obese people?

A、Thegovernmentshouldcallfortheattentionthroughoutthewholecountry.
B、Thegovernmentshouldprovidebetterconditionsforpeopletohavesportsactivities.
C、Thegovernmentshouldinvestmoremoneyontheresearchonhealthyandobesity.
D、Thegovernmentshouldissuealawbanning,oratleastreducing,theselloffastfood.