There are thirty sentences in this section. Beneath each sentence there are four words or phrases marked A, B, C and D. Choose one word or phrase that best completes the sentence.
Mark your answers on your answer sheet.
In most cases, __________ is called a cyst is really a tumor of the gland.

A．how well-developed it is electronically
B．whether it is prejudiced against immigrants
C．whether it adopts America’s industrial pattern
D．how much control it has over foreign corporations

A．wonder
B．wander
C．stray
D．ramble