The production of cAMP directly regulated by two enzyme, ___________ and_______. This former is ___________ a protein, when latter is a _________ protein.

Question

a. phospodiesterase (PED),Adenylyl ccyclase(AC), cytosolic, peripheral.
b. PDE, AC, peripheral, cytosolic
C.Adenylyl kinase, phosphorylase A, peripheral, cytosolic
D. Adenylyl ccyclase(AC), phospodiesterase (PED), integral and peripheral.

I think the right answer is "D", but not sure, please check