Ursula speaks to her infant son in short sentences made up of high-pitched, exaggerated expression, clear pronunciation, distinct pauses between speech segments, and repetition of new words in a variety of contexts. ursula
a) preverbal speech.
b) infant-directed speech.
c) telegraphic speech.
d) referential communication.

b) infant-directed speech

Explanation:

In psychology, the term "infant-directed speech" refers to a type of speech register that is made by using simpler sentences and a slower rate, and constant repetition of words. One other main characteristic of this speech (among different cultures) is the high-pitched tone of it. This speech, as its name suggests is directed to infants.

In this example, Ursula speaks to her infant in short high-pitched sentences with exaggerated expression, clear pronunciation and pauses. We can see that the speech Ursula is using has the characteristics of the infant-directed speech.

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