请选择DCBA-}2f:r1O0s*e,};A What is that we never borrow but often give back?4L'M-O9x,u*Z
A. Book4L'M-O9x,u*Z
B. Ruler4L'M-O9x,u*Z
C. Money4L'M-O9x,u*Z
D. Thanks4L'M-O9x,u*Z