Which of these programs would produce the output shown below?

Python is great

Python is great

Python is great

Python is great

lines

a$.)$

myString $=$ 'Python is great

$\text{'}$

lines $=4$

result $=$ lines $+$ lines $*$ myString

print$($result$)$

b$.)$

myString $=$ 'Python is great

$\text{'}$

lines $=4$

result $=$ lines $*$ myString $+$ 'lines'

print$($result$)$

c$.)$

myString $=$ 'Python is great

$\text{'}$

lines $=4$

result $=$ 'lines' $+$ lines $*$ myString

print$($result$)$

d$.)$

myString $=$ 'Python is great

$\text{'}$

lines $=4$

result $=$ lines $*($ myString $+$ 'lines'$)$

print$($result$)$