Client, a new client of Attorney, has asked Attorney to write a letter recommending Client's nephew for admission to the bar. Client has told Attorney that he has no direct contact with the nephew, but that Client's sister (the nephew's mother) has assured Client that the nephew is industrious and honest. Which of the following would be proper for Attorney? I. Write the letter on the basis of Client's assurance. II. Write the letter on the basis of Client's assurance if Attorney has no unfavorable information about the nephew. III. Make an independent investigation and write the letter only if Attorney is thereafter satisfied that the nephew is qualified.
a. I and II, but not III
b. I, II, and lII
c. I and III, but not II
d. III only