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 -|

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