In Reference to Short-Term Economic Fluctuations,the "Trough" Refers to

In reference to short-term economic fluctuations,the "trough" refers to

A) a period in which the economy is growing at a rate significantly below normal.
B) the high point of economic activity prior to a downturn.
C) the low point of economic activity prior to a recovery.
D) a particularly strong and protracted expansion.
E) a particularly severe and protracted recession.