The 1974 Oil Price Increase Differed from the 1979 Oil

The 1974 oil price increase differed from the 1979 oil price increase in that:

A) the 1974 price hike did not stick, but the 1979 hike was sustained for more than a decade.
B) the former was precipitated by political events, the latter was purely an economic phenomenon.
C) developed economies maintained much tighter monetary policies after 1979.
D) interest rates were much higher after 1974 than the nearzero rates after 1979.