Which of the Following Applies When Writing Complete Paragraphs

Multiple Choice

Which of the following applies when writing complete paragraphs?

A) It is better to provide slightly too much information than too little; it is easier for readers to filter out the unnecessary than to make up a shortfall.
B) You should have a clear idea of who your reader is.
C) You should maintain a moderate level of complexity, so that your reader does not get bored.
D) Both a and b.