【正确答案】 B

【答案解析】解析：信息明示题。由Police told CNN’s sister network CNN Turk that the body of the 33-year-old mother of twoshowed signs of stab wounds．However,the police chief of Istanbul，Huseyin Capkin，said Sierra died from a blowto her head．可知，警方对该女士的死亡原因持有不同的看法，有的认为是被人刺伤致死，有的认为是头部受到重创致死。也就是说，警方尚未确定该女士的死亡原因，故选B。

【正确答案】 A

【答案解析】解析：信息明示题。由Nine suspects had been held in connection with the woman’s disappearance and death．可知，九名与本案有关的嫌疑人已经被警方控制，故选A。