[hispanic people are a large part of the texas population.]

which evidence best supports this student's topic sentence?

a. "while the total u. s. population roughly doubled from 131.7 million in 1940 to 290.8 million in 2003, the number of latinos increased almost 30 times during the same period, from about 1.4 million to 39.9 million."
b. "congress authorized construction of an 1127-km (700-mi) security fence along the u. s.-mexico border; the bill was signed by pres. bush in october 2006."
c. "from the early 1980s through the early 2000s, more than 20 million immigrants legally entered the united states. mexico, the philippines, vietnam, china, india, south korea, the dominican republic, el salvador, jamaica, and cuba ranked among the leading countries of origin during this time."
d. according to the u. s. census bureau, three of the nation's largest cities--houston, dallas, and san antonio--also have among the highest percentages of hispanic populations.