Which of the Following Sentences Is the Most Concisely Worded

Multiple Choice

Which of the following sentences is the most concisely worded without being ambiguous?

A) "The project manager is in charge of specifications until such time as the project gets underway."
B) "The project manager should provide specifications prior to the start of a project."
C) "Project managers have the capability of changing specifications."
D) "The project managers told the engineers last week that the specifications were changed."