Answer:
B. remember the purpose
C. keep your audience interested
E. know the age of your audience
Step-by-step explanation:
Taking into account the structure that a speech must have in order to transmit an idea to the audience, we must take into account several aspects. A very important aspect is the age of the audience, since this will determine the language that will be used, the purpose of the speech should also be taken into account and the correct methods to transmit the message should be chosen, finally it is necessary that The audience stays interested in the speech.