Which of the following sentences must be necessarily true?
a) The test suite composed with tests T1 and T2 achieves 105% statement coverage
b) There exists at least one statement that must have been executed by both T1 and T2
c) At least 5% of the statements in the code under test are non-executable
d) The test suite composed of tests T1 and T2 achieves full branch coverage
Answer Explanation