单项选择题

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A. There is a reported competition among elevator operators in Hong Kong, with some buildings opting to contract elevator maintenance to firms that offer low rates.
B. The Housing Authority has said that all of its elevators are maintained by the original manufacturer (in Hong Kong’s case, by "Schindler Lifts Hong Kong Limited") and all elevators are inspected fully once every week.
C. It should be noted that elevator maintenance had been carried out by a Japanese maintenance company and not by Schindler since 2005.
D. That elevators are not infallible came as a surprise to many people, especially when it was discovered that of the 8,800 Schindler elevators installed in Japan, 85 have trapped people.
E. Japan has already ordered full inspections of the country’s entire set of Schindler elevators, with elevators of all manufacturers being inspected in government buildings.
F. Public concern over the Minato case has not been limited merely to Schindler elevators.