Javan rhinoceros is one kind of the rare rhinoceroses in the world. It is comparatively small and slender. It's about 1.7 meters high. Males have a single horn up to 10 inches in length. Females are usually hornless. Like other kinds of rhinoceros, javan rhinoceros eats grass and spends most time in water. Formerly the Javan rhinoceros lived in Myanmar, Indocina, the Malay Peninsula, Java, and Sumatra. It's now relatively scarce. People hunted them for their horns. We only find them in Ujungkulon, West Java now. Question: Based on the text, which one of the following statements is correct?
A. Javan rhinoceros is very big. B. Javan rhinoceroses are rare animals. C. People hunted Javan rhinoceroses for their skin. D. Male Javan rhinoceroses are hornless.