10. Which of the following sentences is an effective statement?

a Jessica insisted of not stealing the money, even though she is new to
the class as it's not her thing to do such act.

b. Smoking is bad for you. Do not smoke or you will get ill, or
worst, you'll die

c. They are optimistic about their new investment to succeed as businesses have been opened after the pandemic.

d. Research shows that acts of kindness make us feel better and healthier. And scientists say kindness is key to how we survived as a species​