Which of the Following About Presidential Fund-Raising Is True

Which of the following about presidential fund-raising is true?

A) The president of the United States is prohibited from engaging in fundraising activities by Article II of the Constitution.
B) By the 1990s and early twenty-first century, presidents were no longer willing to lower themselves to "begging for money" and limited their fundraising.
C) Most presidents rely on others to raise money for them because it is not part of the role of the president to raise money.
D) President Obama has had spectacular success in raising funds.
E) Congress has enacted legislation prohibiting a sitting president from engaging in fundraising activities.