The sentence explains the reason behind the team’s success, focusing on their approach to problem-solving and how it helped them overcome obstacles efficiently
The first blank should describe an organized and careful approachBoth "methodical" (B) and "systematic" (D) fit this description well, as they imply a planned, step-by-step process
The second blank refers to overcoming obstacles efficientlyA "methodical" and "systematic" approach naturally supports efficient handling of problems
Examining other
(A) cautious — careful but not necessarily organized
(C) hasty — means rushed, which contradicts efficiency
(E) unstructured — implies lack of organization, unsuitable for success
(F) improvisational — suggests spontaneous action, which may not guarantee efficiency
Therefore, the best choices are (B) methodical and (D) systematic