Select the most appropriate meaning of the highlighted idiom in the given sentence.
Siraj-ud Daula’s defeat can be attributed to a snake in the grass.

Correct option is C

Option (c) is the correct meaning of the given idiom.
Idiom: "A snake in the grass" – refers to a deceitful or treacherous person who pretends to be friendly but is actually dangerous. (घातक छिपा हुआ दुश्मन या धोखेबाज़ व्यक्ति)
Example: He trusted his colleague blindly, but he turned out to be a snake in the grass.
Other related idioms and their meanings:
· Wolf in sheep’s clothing – A person who hides malicious intent under a harmless appearance.
· Back-stabber – A person who betrays another secretly.
· Two-faced – A person who acts differently with different people, usually to deceive.