单项选择题
Which of the following is correct for the operation sequence of "
Regulation of the Respiratory Movement " experiment? ()
A.Anesthesia, separation of vagus nerve, tracheal intubation,
connection of breathing transducer
B.Anesthesia, separation of vagus nerve, connection of breathing
transducer, tracheal intubation
C.Anesthesia, tracheal intubation, separation of vagus nerve,
connection of breathing transducer
D.Anesthesia, tracheal intubation, connection of breathing transducer,
separation of vagus nerve
E.Anesthesia, connection of breathing transducer, tracheal intubation,
separation of vagus nerve