-
A
The client was unsatisfied
-
B
The promotion was unrelated to the project outcome
-
C
The team lead's promotion was a direct result of the project's success
-
D
The project had serious problems
Why this is the answer
Three sequentially presented facts (early, under budget → enthusiastic client → rapid promotion) strongly imply causation even though it is not stated explicitly. The inference is that the project's success caused the promotion — this is the most logical connection between the evidence. The proximity in time ('within the month') strengthens the inference. This is the standard ASVAB inference question format: facts presented → causal conclusion implied but not stated.
Source: ASVAB PC, Cause and Effect Inference