A B, C, and D together discuss the application of bank loans for students in this class. A: "All students in my class have applied for loans. " B: "If the class leader applies for a loan, then the study committee There is no application. "C:" The monitor applied for a loan. "D:" Someone in my class did not apply for a loan. ". Knowing that only one of the four people is telling lies, which of the following conclusions can be drawn? ['A told a lie and the study committee did not apply.', 'B tells the truth, the monitor did not apply.', 'C told a lie and the study committee did not apply.', 'Ding talked falsely, and the study committee applied.']