Concept:An
amendment is a formal change or addition made to a law, document, or constitution.
Explanation:The sentence says members of parliament tabled an action to the constitution.
A constitution is usually changed through a formal process of alteration.
The word that best fits this meaning is
amendment.
An amendment means a minor change or addition designed to improve a text or piece of legislation.
Adjustment means a small alteration but is not the legal term used for constitutional changes.
Enactment means the process of making a bill into law, not changing an existing constitution.
Annulment means declaring something invalid or void, which is too strong here.
Therefore, the correct word to complete the sentence is
amendment.
Answer:B. amendment