(01.03 MC) Alice is designing a bookshelf. The segment LQ r…

(01.03 MC) Alice is designing a bookshelf. The segment LQ represents the base of the bookshelf. Alice wants to construct a line to represent a rack passing through R and parallel to side LQ. She uses a straightedge and compass to complete some steps of the construction, as shown below: Which of these is likely to be her next step in constructing the rack parallel to LQ?