Scientists have found new evidence of people initially registering emotions like sadness or anger in much the same way as heartburn—by monitoring what’s going on within their bodies.
A. of people initially registering emotions like sadness or anger in much the same way as
B. of people initially registering emotions such as sadness or anger much the same way as experiencing
C. that people initially register emotions such as sadness or anger in much the same way as they experiencing
D. that a person initially registers emotions such as sadness or anger much the same way as experiencing
E. that a person initially registers emotions like sadness or anger much the same way as

This is GMATPREP question. I choose "B". But the answer is "E". What al errors are in "B" and in "E" why it is experiencing and not experience?

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