THE FIRST ANSWER THAT IS CORRECT WILL GET BRAINLIEST!! <33

READ:

It shall be my work this evening to prove to you that in thus voting, I not only committed no crime, but, instead, simply exercised my citizen's rights, guaranteed to me and all United States citizens by the National Constitution, beyond the power of any state to deny.

—“On Women’s Right to Vote,”

Susan B. Anthony

QUESTION:

Which four words help Anthony create a serious and formal tone?

A) shall

B) thus

C) exercised

D) voting

E) guaranteed