The quantity should be expressed in the form of “less or more” for the above given context. For example, he thought that it was less than 3 miles to hospital.
The other words are not correct form of words to fit into the given blank in the above context.
Thus, the options (a), (c) and (b) are incorrect.
The quantity should be expressed in the form of “less or more” for the above given context. For example, he thought that it was less than 3 miles to hospital.
Therefore, the correct option is – d. less.