Which statement on cycling is NOT correct? ( )

A、Cyclingisahigh-impactexercise.
B、Cyclingcaneffectivelyburncaloriesandlowerbodyfatlevels.
C、Cyclingcaneasefeelingsofstress,depression,oranxiety.
D、Cyclingrequiresnogasoline,sonovehicleemissionsarereleasedintotheair.