The correct answer is D. 16.
A field with Number data type can have a size of 2, 4, or 8 bytes. A field with a size of 16 bytes would be a field with Double data type.
A field with Number data type is used to store numeric data. The size of the field determines how much data can be stored in the field. A field with a size of 2 bytes can store up to 32 different values, a field with a size of 4 bytes can store up to 64 different values, and a field with a size of 8 bytes can store up to 128 different values.
A field with Double data type is used to store floating-point numbers. Floating-point numbers are numbers that can have a decimal point. The size of a field with Double data type is 8 bytes. This means that a field with Double data type can store up to 2^32 different values.
In conclusion, the size of a field with Number data type can not be 16. The size of a field with Number data type can be 2, 4, or 8 bytes.
