Except for balloons and as provided by CARs, no person shall cause any aircraft to take off or attempt to take off from, land on or attempt to land on, any surface within the built-up area of any city or town unless
Why this is the answer
CAR 602.13 prohibits taking off from or landing on any surface within a city or town's built-up area unless that surface is an airport or a military aerodrome (balloons excepted). Being multi-engine, clearing obstacles by 500 ft, or following noise procedures does not authorize it.
Reference
CARs 602.13 – Take-offs, Approaches and Landings Within Built-up Areas
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.