Select the most appropriate meaning of the given idiom.
ABC
AFair and honest
BTo be ready
CVery common knowledge
DComplete failure
Answer:
C. Very common knowledge
Read Explanation:
Meaning: The idiom "the ABC of something" refers to the basic facts, the simplest principles, or the fundamental knowledge of a subject. Just as the alphabet is the starting point of learning a language, "ABC" represents the most elementary level of understanding.
Usage in a Sentence: "He doesn't even know the ABC of organic farming," meaning he doesn't know even the most basic facts about it.