Answer:
In writing, a transition is:
D. words or phrases that are used to link ideas in a text.
Step-by-step explanation:
Transitions are words or phrases that connect ideas in a sentence, a paragraph, or a text. They establish a relationship between the ideas so that the reader can keep up with the path the writer has taken to move from one idea to the other. For example, suppose you would like to add another idea to your text. The transition "furthermore" will help your reader understand that. Suppose you wish to conclude your text. The transition "therefore" will make that fact clear to your reader.