Which word is an antonym for the underlined word in the paragraph?

That puppy with the black patch on his head is the most aggressive of the litter. He growls the loudest and is always first to the food bowl. My dad says he will make a good watch dog.(aggresive is the underlined word)

A. carefree
B. bossy
C. annoying
D. meek

Who ever has correct answer i will mark as brainliest plus 25 points