Can I say,<br/><br/>(a) The cactus<u> has many thorns</u> on its body,<br/><br/>(b) The cactus ha<u>s many sharp thorns.</u><br/><br/>(c) The cactus plant <u>many thorn</u>s. <br/><br/>(d) The <u>thorns of the cactus</u> are very sharp.