To answer this question, you need to understand the benefits of using test tools. Let's go through each option to understand why it is correct or incorrect:
Option A) ii and iv - This option is incorrect because it includes only two benefits, but the correct answer has four benefits.
Option B) ii and iii - This option is incorrect because it includes only two benefits, but the correct answer has four benefits.
Option C) i and iv - This option is correct because it includes the benefits of easy access to information about tests and testing (i) and greater consistency of tests (iv), both of which are likely to be achieved by using test tools.
Option D) i and iii - This option is incorrect because it includes the benefit of easy access to information about tests and testing (i), but it does not include the benefit of reduced maintenance of testware (ii), which is also likely to be achieved by using test tools.
The correct answer is C. This option is correct because it includes both the benefits of easy access to information about tests and testing and greater consistency of tests, which are likely to be achieved by using test tools.