According to the Demands & Capacities Model, Stuttering Will Occur

According to the Demands & Capacities model, stuttering will occur when:

A) abnormally high self-imposed demands exceed the child's normal capacities,
B) normal environmental demands exceed the child's inferior cognitive, linguistics, and motor capacities
C) abnormally high demands, mainly for fluency, are imposed on the child, regardless of capacities
D) abnormally high demands, for either fluency, motoric performance, cognitive or emotional reaction, are imposed on the child
E) all of the above.