In this section, you find a sentence, parts of which are underlined. For each underlined part, four `"words"//"phrases"` are listed below. Choose the `"word"//"phrase"` nearest in meaning to the underlined part and blacken the corresponding space on the Answer Sheet.
He is employed in an `ul"ordnance"` factory.

Options

A. orthodox
B. arms and ammunition
C. electrical and electronic
D. ordinary and common