通读下面短文，掌握其大意，然后在各题所给的四个选项（A、B、C和D）中选出一个最佳选项．AtadaycarecentreinTexas，JessicaMcClurewasplayingoutside．Jessica'smother，（31）___workedatthedaycarecen
通读下面短文，掌握其大意，然后在各题所给的四个选项（A、B、C和D）中选出一个最佳选项．
At a day care centre in Texas，Jessica McClure was playing outside．Jessica's mother，（31）___worked at the day care centre，was watching her．Suddenly Jessica（32）___and disappeared．Jessica's mother cried and ran to her．
The well in the yard was only eight inches across，and a rock always（33）___it．But children had moved the rock．（34）___ Jessica fell，she fell right into the well．
Jessica's mother ran to a phone and called 911for（35）___．Men from the fire department arrived．They （36）___hat Jessica was about 20feet down in the well．Then they told Jessica'a parents their（37）___．"We can't go down into the well"they said，"It's so small．So we are going to dig a hole （38）___well．We'll dig down about 20feet．Then we'll dig a tunnel（通道） across to Jessica．When we reach her，we'll bring her through the tunnel．Then we'll bring her up through our（39）___．"
The men began to gig the hole on a Wednesday morning．Two days later，on Friday morning，they were（40）___digging．And Jessica McClure was still in the well．
All over the world people waited for news of Jessica．They read about her in newspapers and watched her rescue（营救）on TV．Everyone（41）___ the little girl in the well．
At 8：00p．m．On Friday，the men（42）___reached Jessica and brought her up from the well．Then doctors rushed her to the hospital．Jessica was badly injured but she was still（43）___．A doctor at the hospital said，"Jessica is lucky she is very（44）___．She's not going to remember this very well．"
Maybe Jessica will not remember her days in the well．But her parents，her rescuers，and many other people around the world will not forget（45）___
After Jessica's rescue，one of the rescuers made a metal cover for the well．On the cover he wrote，"To Jessica，with love from al of us．"
31．A．sheB．whoC．whomD．which