Which development approach should be used if the project is determined to be a high$-$risk project?

A Hybrid development approaches are the best option for high$-$risk projects due to their use of the best aspects of predictive, incremental, and iterative approaches.

Predictive development approaches are the best option for projects due to the importance placed on detailed planning up front.

Adaptive$/$agile approaches are always the best option for high$-$risk projects due to their focus on generating a working product as soon as possible to help manage uncertainty.

It depends on the nature of the risks involved.