设<img src="/lqwvjeImg/cd/cdf4e144c55393a1191b1ce369f33fd8.png">,当<img src="/lqwvjeImg/44/4433e7dfcecdfd4d2c124295352c4d93.png">时,恒有<img src="/lqwvjeImg/2f/2fd81cf9d9ff17c9ddd23084265b6707.png">,已知<img src="/lqwvjeImg/80/8050b0687166df6ab68426b9c8a5da50.png">,<img src="/lqwvjeImg/ea/eaf76671381def5f122e710516952bd1.png">.则正确的选项是: ( ).<br>·<img src="/lqwvjeImg/7b/7be1c8523d0fd096c092d2c9a1799743.png" ;<br>·<img src="/lqwvjeImg/54/54e6f2a30e0ce8c1379feab9bde0d061.png" ;<br>·<img src="/lqwvjeImg/28/2817d2af23e8cf65fa164422797a3434.png" ;<br>·A和B的大小关系不定.