Sanraj is in college and wants to learn a second language. According to research, which of the following will describe his experience?
A. Learning a second language in college will be easier than learning it in childhood.
B. Learning a second language in childhood would have been easier than in college.
C. Sanraj's speech will likely be indistinguishable from a native speaker.
D. Sanraj is still in the critical period for language development so he will learn the language easily.