Concept:A flexible constitution can be changed easily through the ordinary law-making process.
Explanation:In a flexible constitution, the legislature uses the same procedure for amending the constitution as for making ordinary laws.
This means only a simple majority of the legislature is needed to bring about an amendment.
A rigid constitution, on the other hand, requires a special procedure, a special majority, or a difficult amendment process.
Therefore, flexibility is directly linked to ease of amendment by a simple majority.
Answer:A. can be amended by a simple majority