Choose the sentence that uses an abbreviation that is acceptable in academic writing. a.) All the specimans in the doctor's lab were at least two mm in length. b.) I began my long journey to the United States on Dec. 4 of the year 2017. c.) The Senator did all he could to convince his colleagues to prevent a gov't shutdown. d.) Your essay should be written in an easy-to-read font, e.g. Verdana or Arial.