Which of the Following Is the Chronological Order of Events

Multiple Choice

Which of the following is the chronological order of events in the molting of Rhodnius, as determined by Sir Vincent Wigglesworth?

A) Blood meal, prothoracicotropic hormone release, ecdysone release
B) Blood meal, ecdysone release, prothoracicotropic hormone release
C) Ecdysone release, blood meal, prothoracicotropic hormone release
D) Prothoracicotropic hormone release, blood meal, ecdysone release
E) None of the above