I say expression so D. because the more expression you put in your work the more effort will be shown. From recent studies, they have shown the more effort and expression is ideal in art.
B. A possessive noun should have its instead of it's (which is a contraction for it is).
For A. Diana is a singular noun and the apostrophe should come after the r instead of after the s.
For C. The duck would've dunked ITS instead of IT'S beak since it is possessive.
For D. You do not need to put an apostrophe since theirs is already a possessive noun.
the doge says
the answer is C. because fought and clash are kinda the same beacause people fight