Question 11
Read this sentence.
His early work with locomotives focused on hauling loads in the mines.
A student looked up the word focus in a dictionary and found this entry.
________________________
focus
n. 1. center of attention
n. 2. a point where light comes together
v. 3. to fix on, concentrate
v.
4. to make clear, sharpen
________________________
Which definition best fits the meaning of the underlined word in the sentence?