Astrid was emotionally aroused by a TV horror movie. She became extremely angry when her younger brother momentarily blocked her view of the screen. When her movie viewing was interrupted by a phone call from her boyfriend, however, she experienced unusually intense romantic feelings. Astrid's different emotional reactions to her brother and her boyfriend are best explained by the ________.a. Yerkes-Dodson law.b. James-Lange theory.c. guilty knowledge test.d. two-factor theory.