单选题 These kids, inexperienced but curious, finally made a kite that was too {{U}}delicate{{/U}} to fly.

【正确答案】 C

【答案解析】delicate：微妙的，精致的，脆弱的，娇嫩的，敏锐的；subtle：微妙的；exquisite：精美的；fragile：易碎的，脆弱的；delicious：美味的。