Which statement about signal phrases is true? Group of answer choices A: Signal phrases should be worded the same way throughout an informational text.

B: Signal phrases are only needed when a writer uses a direct quote from an article.
C: Signal phrases should provide just enough information to show the reader that the source is a valid one that can be trusted.
D: Signal phrases should provide name, job, and source of every fact used in a text.

Please help me its a timed quiz