Incorrect!

Where should you avoid overtaking?

Just after a bend
In a one-way street
You selected this answer
On a dual carriageway
Approaching a dip in the road
Correct answer

DVSA theory test explanation

Oncoming vehicles or other hazards can be hidden from view by dips in the road. If you cannot see into the dip, wait until you have a clear view and can see that it's safe before starting to overtake.