The correct answer is: A. 1948.
The Atomic Energy Commission (AEC) was a United States government agency established on August 1, 1946, by the Atomic Energy Act of 1946. The AEC was responsible for developing, producing, and stockpiling nuclear weapons, as well as for conducting research on nuclear energy. The AEC was abolished in 1974, and its functions were transferred to the Energy Research and Development Administration (ERDA) and the Nuclear Regulatory Commission (NRC).
Option B, 1950, is incorrect because the AEC was established in 1946.
Option C, 1952, is incorrect because the AEC was established in 1946.
Option D, 1960, is incorrect because the AEC was established in 1946.