In the figure shown below, the RfaH protein is undergoing a change from ________ as a result of binding to ________.

A) beta-sheet to alpha-helix; a promoter to initiate transcription
B) alpha-helix to beta-sheet; a promoter to initiate translation
C) beta-sheet to alpha-helix; RNAP and thus being able to bind ribosomal protein
D) alpha-helix to beta-sheet; RNAP and thus being able to bind ribosomal protein
E) beta-sheet to alpha-helix; RNAP to initiate translation