Step 1: Understanding the clues.
All four clues commonly form collocations with the word "draft": bank draft, act draft, letter draft, and pact draft (a drafted pact or treaty).
Step 2: Evaluate each option.
(A) Cash – Links only with bank.
(B) People – Does not fit with all clues.
(C) Draft – Matches all: bank draft, draft of an act, draft of a letter, draft of a pact.
(D) Crime – Only loosely related to “act.”
(E) Knowledge – Not connected to any clue directly.
Step 3: Conclusion.
The word “draft” forms meaningful combinations with all clues.