【单选题】

DearCassy,

Thanks for reminding me by e-mail that you want to baby-sit our children. In spite of the (21) that you are only 12 years old, my wife and I would be (22) to consider your application if you can meet a few modest (23) :
1. Submit three letters from (24) who will certify that you have never failed to follow directions perfectly in class and never failed to hand in a homework assignment (25) .
2. Submit a note from two (26) who will certify that you are in perfect health, have never been sick, and never will be sick.
3. Submit a document from your physical education teacher or team (27) that proves that you can do each of the following: Run two miles in (28) than nine minutes, climb a greased rope to a (29) of twenty feet in thirty seconds while balancing a glass of water on your nose, and walk in bare feet over hot coals and broken glass without complaint or (30) .
4. Submit notarized letters from at least two mental health professionals (31) that you have never (32) a jealous, envious, or hostile thought towards any living being or inanimate object.
5. Play and (33) five expert chess players while blindfolded after going without sleep for 48 hours.
6. Wait (34) for two years while we have private investigators (35) that all your documents are authentiC、
Your loving and trusting friends,
The Smiths
A．decide
B．know
C．notice
D．confirm