According to the "Embracing Challlenges" video, which of the following statements is NOT true?

A$.$ When you wrestle with a problem and have to exert a lot of effort to solve it$,$ you should not be embarrassed about it$.$

B$.$ It is bad for your brain to get sore like your muscles do after lifting heavy weights.

C$.$ Your brain gets stronger when you embrace challenges.

D$.$ You should change your strategy if you take on a challenge and are not getting any results.