Choose the one alternative that best completes the statement or answers the question.
-Spoilage of canned foods due to inadequate processing, NOT accompanied by gas production, is
A) spoilage by mesophilic bacteria.
B) thermophilic anaerobic spoilage.
C) putrefactive anaerobic spoilage.
D) caused by acid-tolerant fungi.
E) flat sour spoilage.