Which of the following is an expected problem that often occurs with automation test suites?

Which of the following is an expected problem that often occurs with automation test suites?
A . The defects become prohibitive when trying to execute the suite
B. The test execution time becomes longer making it difficult to get all the tests run as often as desired
C. The test suite continues to grow making source control difficult to manage
D. The time it takes to create new tests increases exponentially as new features are added to the code

Answer: B