Which of the Following Statements Concerning the Urban Heat Island

Which of the following statements concerning the urban heat island is correct?

A) the urban heat island only develops where cities are mostly located on islands
B) the urban heat island only develops in hot,dry climates
C) residential areas are affected more than core urban areas
D) park areas in a city can reduce the effect of the urban heat island
E) highly reflective surfaces can be used to reduce the impact of the urban heat island