Which sentence uses correct capitalization?
A. "now which student," mrs. cobbleston asked, "can tell me when the first u.s. Space shuttle launched?"
B. "Now which student," Mrs. Cobbleston asked, "can tell me when the first U.S. space shuttle launched?"
C. "Now which student," mrs. Cobbleston asked, "Can tell me when the first U.S. space shuttle Launched?"
D. "now which Student," Mrs. Cobbleston asked, "Can tell me when the first u.s. space Shuttle launched?"