1.向量($\overrightarrow{AB}$+$\overrightarrow{MB}$)+($\overrightarrow{BO}$+$\overrightarrow{BC}$)+$\overrightarrow{OM}$化简后的结果等于( )
0 282188 282196 282202 282206 282212 282214 282218 282224 282226 282232 282238 282242 282244 282248 282254 282256 282262 282266 282268 282272 282274 282278 282280 282282 282283 282284 282286 282287 282288 282290 282292 282296 282298 282302 282304 282308 282314 282316 282322 282326 282328 282332 282338 282344 282346 282352 282356 282358 282364 282368 282374 282382 366461
| A. | $\overrightarrow{BC}$ | B. | $\overrightarrow{AB}$ | C. | $\overrightarrow{AC}$ | D. | $\overrightarrow{AM}$ |