Linda Scott Recently Gave a Presentation to College Students on Global

Linda Scott recently gave a presentation to college students on global warming.The presentation was appealing to the students because it incorporated lots of images and videos.However,the students found her logic of saying "Footballer David Beckham says global warming is a problem we should tackle immediately" was weak and irrational.Which of the following logical fallacies is Scott most likely to be making?

A) Appeal to popularity
B) False cause
C) Weak analogy
D) Appeal to authority
E) False dichotomy