Let's go through all the options in turn:
1. Spend lots of time memorizing and practicing your introduction and
conclusion.
This is a mental type of preparation: it focuses on the mental process of memorization,
2. Shake hands with audience members and breathe deeply to
relax before your speech.
This describes different kinds of physical activity
3. Arrive early and get familiar with the
surroundings and equipment you’ll be using to speak. -this refers to a logistical preparation - this includes the organisation of the meetings and being in time for the preparation
So the correct answer is: b. 1. Mental 2. Physical 3. Logistical
