What is the main function of a thesis statement?
a thesis statement is an introductory unit or a unifying element for a paper.
a thesis statement is the subject of the whole paragraph and is a generality.
a thesis statement gives the paper a complete feeling.

a thesis statement is an introductory unit or a unifying element for a paper.

i know because i have this exact same question with the exact same answers and i asked my teacher.

1# d

2# b

3# e

4# c

5# a

they most likely have a instrumental version. just look it up on google.