What can be infered from the passage about “language delay ?
A、It can be prevented by doctors.
B、It is seldom found among children.
C、It can be improved with certain help.
D、It may result from hearing problems.
Directions:In each of the following groups of words, there are four underlined letters or ltter 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