The sentence that is correctly construed with an independent clause and a dependent clause is A) As they examined the evidence afresh, they thought of a completely different explanation.
The other sentences don't have dependent clauses, only phrases.
Answer:
Explanation:
For verbs with the format Consonant-Vowel-Consonant, double the last letter of the word then add -ed.
*Keep in mind that this rule has exceptions though.
Abhominaton, abhor, abhorred.