Which of the following statements is true about a G-protein coupled receptor?

Which of the following statements is true about a G-protein coupled receptor?
a) It contains five transmembrane hydrophobic sections.
b) There are more extracellular loops than intracellular loops.
c) The binding region for the G-protein involves two extracellular loops.
d) The N-terminal chain is extracellular and the C-terminal chain is intracellular.