According to the passage, which of the following statements is true?( )(本题0.0分)
A、 One can receive a sample TOEFL-Test for $20.
B、 One can receive a sample TOEFL-Test for meeting the request that he or she should complete it independently.
C、 One can get a free sample TOEFL-Test if one asks for it.
D、 One could complete and mark a sample TOEFL-Test paper without any outside help.