Pipes & culverts company orders six irrigation pumps from quality plumbing, inc. the pumps are stored in restorers warehouse. under the terms of the order, quality must give pipes & culverts a warehouse receipt for the goods, which pipes will then pick up. title to the goods passes to pipes & culverts when:

a. quality gives pipes & culverts a warehouse receipt for the pumps.
b. quality stores the pumps.
c. pipes & culverts orders the pumps.
d. pipes & culverts picks up the pumps.