Which element of thoreau's style is shown in these passages from walden? simplicity, simplicity, simplicity! i say, let your affairs be as two or three, and not a hundred or a thousand …. simplify, simplify. instead of three meals a day, if it be necessary eat but one; instead of a hundred dishes, five …. 
 a. using mathematical examples 
 b. using themes from the kitchen 
 c. repeating main ideas 
 d. using only short sentences