The Notion That Aphasia Involves Structures Other Than Broca's Area

The notion that aphasia involves structures other than Broca's area comes from studies in which

A) damage to the corpus callosum produces aphasia.
B) CAT scans show decreased blood flow in structures located in the right posterior cortex when subjects read words aloud.
C) damage to the head of the caudate nucleus can produce a Broca-like aphasia.
D) CAT scans show increased blood flow in structures located in the right posterior cortex when subjects read words aloud.
E) hippocampal damage produces aphasia.