[tex] \huge \boxed{\mathfrak{Question} \downarrow}[/tex]
I don't know_____.
A.how myself stand out
B.how to make myself stand out
C.how make myself stand out
D.how to be stand out
[tex] \huge \boxed{\mathfrak{Answer} \downarrow}[/tex]
The other options don't make grammatical sense when added to the sentence. So, option B. is the correct answer.