A Type I Membrane Protein Has Which of the Following

A Type I membrane protein has which of the following structures?

A) Both the C-terminus and the N-terminus face the inside of the virion.
B) It passes through the viral envelope multiple times.
C) The N-terminus faces outside the virion and the C-terminus faces inside the virion.
D) The N-terminus faces inside the virion and the C-terminus faces outside the virion.
E) The protein lacks a transmembrane domain and is secreted from the infected cell.