Arrange the following sequence of extracellular signaling in the correct order?1) Transport of signal to a target2) Start of signal transduction pathways3) Signaling cell synthesize and release signaling molecules4) Binding of the signal to the specific receptor

• A. 2, 3, 4, 1
• B. 3, 1, 4, 2
• C. 1, 2, 3, 4
• D. 1, 3, 4, 2