单选题 The manufacturer lost many of its most loyal customers after the media focused attention on its lack of ______ to product quality.
A. commitment
B. assurance
C. value
D. interest

【正确答案】 A

【答案解析】高级问题本题应靠释义来解题，但空格后的to也是解题的提示。commitment to意为“保证/献身于某事”，当名词或动词后面有介词时，要注意习惯搭配。
[高频词语] assurance of 确信(某事) the value of (某物)的价值 interested in (对某事物)有兴趣