Which of the following property controls how spaces and word wrapping are handled?

The correct answer is D. word-spacing.

The word-spacing property controls the space between words in a block of text. It can be used to add or remove space between words, or to create a specific spacing effect.

The spacing property is not a valid CSS property.

The text-space property is a CSS property that controls the space between text elements. It can be used to add or remove space between text elements, or to create a specific spacing effect.

The white-space property is a CSS property that controls how white space is handled in a block of text. It can be used to prevent line breaks, to wrap text at a specific point, or to collapse white space.