Which of the following commands would display the lines containing capital letters form the file “turkey.txt”?

Which of the following commands would display the lines containing capital letters form the file "turkey.txt"?

A.
cat turkey.txt|wc -l

B.
grep -n [A-Z] turkey.txt

C.
cat turkey.txt|wc -w [A-Z]

D.
grep -v [A-Z] < turkey.txt

E.
for [A-Z] in turkey.txt | count

Explanation/Reference:
A) would display the linecount of all lines in turkey.txt
C) would display an error
D) would display all lines not containing capital letters
E) would display an error