Of the Following Examples, Which Best Describes All-Source Intelligence

Of the following examples, which best describes all-source intelligence?

A) Unmanned aerial vehicles (UAVs) operating over Afghanistan, Pakistan, and other countries, such as Yemen.
B) In 2005, President Bush ordered the monitoring of conversations of individuals in the United States who were calling suspected foreign terrorists overseas.
C) The capturing and killing of Osama bin Laden
D) The breaking of the German Enigma cipher