Which of the Following Is False Concerning the Check Clearing

Which of the following is false concerning the Check Clearing Act for the 21^st Century?

A) Check 21 allows banks to convert checks into a digital form and to
Transmit them between banks and individuals electronically.
B) Under Check 21, banks can no longer use paper checks.
C) Check 21 speeds up check processing.
D) None of the above.