Can you revise and tell me the errors in my essay.

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? ”

The tankers are so large how did some crew members get from one point to another while on board

Idon't know which one from these two forms is correct! "he believed that the technology of the future would allow robots to do the same tasks as a human." or "he believed that the technology of the future would have allowed robots to do the same tasks as a human. , it's ! i need your !