A VFR aircraft has no radio. How must it enter the circuit at an uncontrolled aerodrome in an MF area?

1. 1Join directly on final approach.
2. 2Complete two sides of a rectangular circuit before turning final.
3. 3Join at 2,000 feet over the field.
4. 4Join on a left base only.

Source: Canadian Aviation Regulations (SOR/96-433), CAR 602.97(3)(d) VFR and IFR Aircraft Operations at Uncontrolled Aerodromes within an MF Area