多项选择题
For Questions 1 through 3, select the two answer choices that, when used to complete the sentence, fit the meaning of the sentence as a whole and produce completed sentences that are alike in meaning.
Skin contains millions of sensory receptors which inform the brain, through electrical (), when you have injured yourself.
A. compulsions
B. thrusts
C. impulses
D. signals
E. flashes
F. imitations