Which of These Concluding Sentences Is Most Likely to Build

Multiple Choice

Which of these concluding sentences is most likely to build goodwill in a routine inquiry message?

A) Your preparation of estimates by June 13 will enable us to choose a contractor by the month-end.
B) A prompt reply to the request we have put forward will be highly appreciated.
C) Thank you in advance for your help.
D) Hoping to hear from you soon.
E) I must have these cost estimates ASAP.