Explanation:

- Option 1: Part (A)

- The sentence starts with "She was annoyed," which is grammatically correct and establishes the subject and her emotional state.

- Option 2: Part (B)

- "when she found that" is correct as a subordinate clause, following the main clause and introducing the reason for her annoyance.

- Option 3: Part (C)

- "the chewing gum was stuck to her hair" is a complete clause, correctly using past tense "was stuck" to indicate the state of the gum in relation to her hair.

- Option 4: Part (D)

- The choice "No error" is accurate as all parts of the sentence are correctly structured.

- Correct Answer: Option 4: d