Answer:
The answer to this question is given below in the explanation section.
Explanation:
The correct answer to this question is B. if you are changing the whole document in a column layout, however, if you want to change the specific text into column layout then option C is correct.
However, according to this question that how do you create multiple columns in word then option B is correct.
That is the document that you want to change its layout into the columns, you need to go and click on Page Layout tab > Columns, Click the column layout you want.
Othe options are not correct because:
Option A is not correct to change the document layout into columns and option C only true when you want a specific text will be changed in the columns layout.