阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。
There is always a person in your life that you can count on. That person is the one that 1 you life and loves you unconditionally. A mother's love is priceless and will always 2.Their care and love is like a beautiful rose, 3 a rose that is unable to die. 4 overpowers the warmth when a mother's hug（拥抱）is received. You can 5 the warmth in your happy moments, but most 6 in your saddest ones.
My mother is the 7 person I know. She has been through so 8, yet she was able to move on and love her 9 as well as she did. She had the 10 to get away from a sad marriage. She11 without a job, a place to live, or money for that matter. She never 12 us nor herself. She went to 13 and did a master degree. Working hard and making sure that none of her children were missing anything was her number one 14. The stress（压力）of being a 15 mother made her love for us much stronger.
I believe that the separation gave my mother more hope and 16 She knew how much my siblings（兄弟，姐妹）and I were 17, but she comforted us with her love. She is the one who 18 the house running and under control. 19 it may seem to her that we 20 her love for granted, I can assure her that it can't be…a mother's love is priceless.
