（2）、What is Plogging according to the man's introduction?
A、A global trend that started this year.B、An activity for the benefit of marathon runners.C、A new trend combining picking up trash and running.
（3）、Why is Plogging becoming popular?
A、Because of the good effect of losing weight.B、Because of the desire to be close to nature.C、Because of the increasing awareness of the plastic problems.
