The most common profession prior to joining congress is :

The available options are

A) business.

B) law.

C) education.

D) public service.

E) state legislator.

B. Law

Explanation:

According to various statistics results, it has been observed that the most common profession before joining Congress is "LAW"

The statement above was echoed in 2010 when the then n U.S. Senate candidate Ron Johnson declared that among the 100 US Senators, 57 of them, including Russ Feingold, are lawyers.

Similarly, according to Washington, D.C., publication Roll Call and the Congressional Research Service, it was revealed that the most common profession before joining Congress is "LAW" whether at the House or Senate.