Multi-select problem: How does the next paragraph end?

We see an opening title screen. Tools sit on a table and we see a person unpack a bike and assemble it. we


(a). then see the mechanism for its tires.;
(b). see the person wrap and clip parts.;
(c). see the thing is bigger than the bike and a timer is written on the side.;
(d). see the man put a tire on the bike.;
(d).