An Explanation for Why Students Who Study with Distractions (For

An explanation for why students who study with distractions (for example, having the TV on, listening to music, or answering text messages) end up with a more superficial understanding of the information is that

A) the synapses run out of neurotransmitters to convey the information from one neuron to another.
B) divided attention stimulates the frontal-striatal area of the brain.
C) they cannot rely upon core knowledge to help them process the information.
D) when we divide our attention in this way, we do not use the part of the brain designed for deep processing.