Correct Answer: Meagre

Solution : The correct choice is the fourth option.

Copious means in large quantities or abundant amounts. It refers to something that is plentiful, ample, or overflowing in supply or volume, and its opposite, meagre , refers to an insufficient, small, or inadequate quantity or quality of something.

The meanings of the other options are as follows:

• Galore is an informal term used to indicate abundance or plenty of something.
• Enough refers to an adequate quantity or degree of something that fulfils a requirement, need, or desire.
• Unsparing means not holding back, being generous, or giving freely without restraint.