Choose the word or phrase that is OPPOSITE in meaning to the underlined part: The US troops are using much more sophisticated weapons in the Far East.
sophisticated (adj): complicated
A. expensive (adj): expensive
B. complicated (adj): complicated
C. simple and easy to use: simple and easy to use
D. difficult to operate: difficult to operate
=> sophisticated >
Translated: The US military is using much more sophisticated weapons in the Far East.