The main idea of a text (5 points) a
is not always directly stated
b
is always stated in the first paragraph
c
usually appears in the conclusion
d
is found in the body of the text

It's letter B.

Explanation:

The main idea of a text is always stated in the first paragraph. It is easy to identify a main idea that is directly expressed in the text. Main ideas are often found at the beginning of paragraphs. The first sentence often explains the subject being discussed in the passage.