In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".
From the early 1990s, salaries shot up and stock options (were introduced).
A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.
Howard Gardner defines intelligence as an ability to solve problems or to fashion products that are valued in one or more cultural setting. He suggested that all people have different kinds of intelligences. Gardner proposed that there are eight intelligences.