Read the following article and answer the question by choosing from the options.

I ' m beginning to understand Jason 's whole thing about playing from the shoulder and not the wrist . An unexpected benefit from picking up the bass is that it 's my made my mom so happy . Every time she passes by and catches me practicing she starts smiling .

What may be the reason my mom is so happy ?
Choose your answer from:
[1]. I am beginning to understand .
[2]. I have gotten better at playing bass .
[3]. I am in my room when she passes by .
[4]. None of the above choices ....A:
[2].