Explanation:

- Fragile: Items described as fragile are easily broken or damaged. Glass tables are delicate and can crack or shatter with rough handling.

- Correct Answer: Fragile

- Frugal: This means being sparing or economical with resources. It doesn't relate to physical properties like a glass table's sensitivity.

- Volatile: This term describes something unpredictable or prone to rapid change, often used in chemical contexts or markets, not for physical properties.

- Ductile: This refers to the capability of being drawn into thin wires. It's often used in the context of metals, not applicable to glass.