A 28 years old patient presents with palpitations, anxiety and sweating. The symptoms develop suddenly while he was walking out of the grocery store. His vitals are normal except for the heart rate of 120/min. Examination shows sweating and tremors. Past medical history reveals similar symptoms for last few months which occur in episodes & are relieved by eating something sweet. Family history is positive for type 1 diabetes in his sister. He has history of IVDU which he quit 5 years back. Patient is given an intramuscular drug for rapid treatment of his symptoms. Which of the following will be increased within hepatocytes after administration of this drug?

A) Insulin

B) CAMP

C) Tyrosine kinase activity

D) Cytochrome p450 activity

E) GLUT-2