Is math hard now a days

Which sentence is punctuated correctly? a. one question you should always ask yourself: “am i with the results? ” b. always ask yourself this question: “ am i with the results? ” c. one question you should always ask yourself is : “am i with the results? ” d. always ask yourself a question like: “am i with the results? ”

Okay can someone tell me the answer to this problem bc i have to buy it now and i don’t wanna do that

Danny went for a long bike ride he covered at least forty miles