Multi-choice problem: Continue writing the next sentence in this paragraph:

She then shows another saddle and demonstrates how to tighten the bolts to adjust the level of the saddle. she

Options:
[i] shows how to tighten the bolt to make sure the saddle fits snugly.;
[ii] pins a broken loose bolt and warms up by donning a helmet.;
[iii] also shows the tall fir trees, the bushes and the leaf blower can be used to remove the leaves.;
[iv] then shows around again the use of the pommel horse for practice.;
[i]