The answers are:
2. Recognizing words automatically: knowing the words and how they are spelled is a great influence on how fluent the reader is.
4. Reading at a comfortable pace: It gives time for the listener and the reader to understand what is being read and it sounds better .
The other answers aren't right because:
1. Expressing feelings when reading aloud: the fluency of reading is in intonation given by correct punctuation as a way to express emotions, not feelings when reading aloud.
3. Reading slowly and deliberately: a slow reading might affect negatively the understanding of the listener (when reading aloud) and sound monotone.
4. Reading as fast as possible: when reading too fast is hard for the listener and the reader to understand what is the issue or happening going on the text and nobody is able to analyze with clarity what is being said.