The pilot of a light aircraft on final approach close behind a heavier aircraft should plan the approach to land
Why this is the answer
Per TC AIM-AIR (Wake Turbulence / Considerations), the vortices sink and trail behind the heavier aircraft, so stay above its flight path and touch down beyond its touchdown point. Landing short would put you into the descending wake.
Reference
TC AIM-AIR – Wake Turbulence / Considerations
Question reproduced verbatim from Transport Canada’s PSTAR Study and Reference Guide (TP 11919E). The answer key is Transport Canada’s; the explanation is ours.
A study aid — not a substitute for the official guide, the CARs, or your instructor.