CORRECT TEXT
Find the files owned by harry, and copy it to catalog: /opt/dir

A.
# find / -user harry -exec

B.
cp -rfp {} /opt/dir/ \\;

C.
# mkdir dir

D.
# cd /opt/

Explanation:
# cd /opt/
# mkdir dir
# find / -user harry -exec cp -rfp {} /opt/dir/ \\;