Which of the Following Is an Argument for Single-Spacing Within

Which of the following is an argument for single-spacing within paragraphs?

A) It saves space and is like the printing readers are used to, making reading easier.
B) It makes it easier for the proofreader and printer to read and make corrections to.
C) It is the traditional way of formatting a formal report.
D) Single-spacing makes it easier to bind a formal report.
E) It is less likely to interfere with the insertion of charts and graphs.