Choose the option which is nearest in meaning to the sentences in each of the following questions:

The dog was limping. It appeared that one of its legs might have been injured

• A The dog was limping as if it had an injured leg
• B The dog was limping as it had an injured leg
• C The dog was limping so it had an injured leg
• D The dog was limping so as it had an injured leg
• E The dog was limping for it had an injured leg