Choose the option that is most nearly opposite in meaning to the underlined word and that will correctly fill the gap in the sentence
A trivial issue often becomes_____ when it is not properly handled.
The correct answer is: A
Explanation
The word 'trivial' refers to something of little value or importance. The opposite of 'trivial' would be something of great importance or seriousness, hence the word 'serious' is the correct answer.