Concept:Dictionary order arranges words alphabetically by comparing letters from left to right.
Explanation:All words start with 'Life'.
Compare the letters after 'Life'.
Lifeless gives 'less', Lifelike gives 'like', Lifeline gives 'line', Lifelong gives 'long'.
Alphabetically,
e<i<o.
So Lifeless comes before Lifelike.
The correct series is: Lifeless, Lifelike, Lifeline, Lifelong.
Answer:A. Lifeless