单选题 .  Amanda is careful about anything that touches her lips. She     21    instructions on every food pack and does all she can to     22    "forbidden" foods. She     23    everyone about the things being used in cooking. Before a trip to Australia, she phoned every airline     24    she found one     25    to ban (禁止) nuts from the     26    . Going too far? Not when you have food allergies (过敏症) that can put your     27    in danger. "I tell waiters that even the     28    amount of peanuts could kill me," says Amanda. With     29    allergies to peanuts and shellfish, Amanda has to play by the rules.     30    , she still gets in trouble. A few years ago, she went to a New Year's Eve party     31    there were bowls of peanuts on the tables. They were     32    when she arrived, but still she kept her     33    in a side room. At midnight, as people came in to wish her happy new year, she     34    to feel short of breath and was dying for     35    . "I took some anti-allergy medicine, then left," says Amanda. "    36    home I was struggling to     37    and my head began aching uncontrollably."
    Amanda knew she had to     38    to hospital fast. "I'm going into shock," she said breathlessly to     39    when she arrived. They gave her intramuscular adrenalin (肾上腺肌肉注射), which probably     40    her life.21.