It was not called a gentleman’s C for nothing. Perfectly respectable.
These days, with grade inflation, it would be a gentleman’s B—if we had any gentlemen of the old school left.
Gore had a C-/D, and clinton flunked out of Oxford.
I had the assistant dean for an intro class back in 1976. He met with all the project groups, and he said then, a "Gentleman's C" wasn't what it used to be.
But this was engineering.