A.
chmod +x /home/work/shell/build.sh
./build.sh
B.
chmod +x /home/work/shell/build.sh
sh /home/work/shell/build.sh
C.
chmod +x /home/work/shell/build.sh
cd /home/work/shell
sh /home/work/shell/build.sh
D.
cd /home/work/shell
chmod +x build.sh
./build.sh
