Which of the Following Statements Regarding Online Transactions Is True

Which of the following statements regarding online transactions is true?

A) Conducting transactions online negates the need to satisfy the normal requirements of a contract.
B) Electronic signatures are not effective in determining the capacity of the parties entering into a contract.
C) Common law has established the equivalency of electronic documents to written ones.
D) The post-box rule applies to both non-instantaneous and instantaneous methods of communication.
E) Clicking an "I Accept" button may constitute valid acceptance of the terms of an agreement.