161. B                         162. C                         163. A                         164. C                         165. D                      166. B

167. C                         168. D                         169. D                         170. B                         171. A                      172. A

173. C                         174. A                         175. D                         176. D                         177. A                      178. B

179. B                         180. B                         181. D                         182. A                         183. B                      184. C

185. A                         186. A                         187. D                         188. B                         189. C                      190. C

191. B                         192. C                         193. D                         194. A                         195. A                      196. C

197. A                         198. B                         199. C                         200. A