D. impromptu The four (4) types of speech according to delivery are also observed in:
Other Speaking Situation
A. manuscript
B memorized
C. extemporaneous
D. Impromptu

Types of speech has to do with the different varieties of speeches a person makes based on his audience, topic, etc. A speech performs the four primary functions:

There are different types of speech which include::

Your question is quite difficult to understand so I would try to explain what those four terms mean. Please note that your question is not clear on what you want but the general overview i would give should be beneficial to you.

Manuscript is the handwritten copy of an article or piece of writing before it gets published.

Memorize is a verb that means that a person wants to commit a piece of information to the long term memory for future use.

Extemporaneous is a method of speech giving where a person delivers his speech making use of a written note.

Impromptu shows that a person does somthing suddenly without prior notice

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Impromptu

Explanation:

An impromptu seems to be a complimentary musical with music with both the characteristic of a former virtuosity, typically for a valve trombone, such as a guitar, as if inspired by the nature of the situation.

c is the final ! :