Read the passage: "For three weeks, Ethan tried to build a model of the historic Wheeling Suspension Bridge out of balsa wood. Twice, the structure collapsed under its own weight. Frustrated, he threw his tools onto the desk. But after taking a walk outside, he returned, measured each strut carefully, and reinforced the center arch. On his third attempt, the bridge stood strong." Which statement best summarizes the central theme of this passage?
- ABuilding bridges requires expensive professional materials.
- BPerseverance and careful reflection can overcome initial failure.
- CTaking walks is the best sport for middle school students.
- DHistorical bridges are easier to construct than modern ones.