( )is late for the examination will not be allowed to enter the classroom.
A、Whoever
B、Who
C、Whom
D、No matter who
I.Phonetics(5 points)Directions:In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet.1.( )