"The Queen arrived at the castle with the King by her side, in a dress adorned with hand-sewn embroidered flowers."
6.What's wrong with this sentence?
A.Fallen subjunctive
B.Misplaced modifier
C.Dangling participle

这个句子的错误是修饰语位置不当。in a dress...是修饰queen的非限制性定语，应该放在主语之后。现在放在句末会让人误解为是king的修饰语。dress通常指女性连衣裙。改正的句子如下：

The Queen , in a dress adorned with hand-sewn embroidered flowers，arrived at the castle with the King by her side.

这个句子不牵涉虚拟语气和悬垂分词的问题。