questionRead the paragraph below. For each numbered blank, select the word or group of words that best completes the sentence. Indicate your response by shading in the appropriate oval on your answer sheet.
EXAMPLE Have you ever wondered (1) systems for classifying fingerprints?
1. (A) who discovered the first
(B) whom discovered the first
(C) who invented the first
(D) whom invented the first
(E) who first invented the
Fingerprinting (1) a significant role in investigative work ever since the late nineteenth century, when Sir Francis Galton, a British anthropologist, determined that (2) identical fingerprints. Building upon the research of Galton, Juan Vucetich of Argentina and Sir Edward R. Henry of Great Britain (3) fingerprint classification systems during the 1890s. Fingerprints are one of the (4) of identification because a person's fingerprints are unlikely to change during (5) lifetime. Thus, when working to solve crimes, (6) find fingerprints that identify people and place them at crime scenes. Sometimes such fingerprints are clearly visible, but other times (7) cannot be seen. Most latent, or hidden, fingerprints (8) deteted until they have been covered with colored powder or special chemicals. Moreover, there are some types of latent fingerprints (9) with a laser beam. Fingerprints, which are with also used to identify victims of tragedies such as fires and plane crashes, (10) to be an invaluable tool for more than a century.
9. (A) that only can be seen
(B) that can be seen only
(C) what can be seen only
(D) only that can be seen
(E) what can only be seen