David seems really ill at case in front of all those people13/15Choose the sentence -a, b, c or d - which is closest in meaning to the sentence above. David seems really ill at case in front of all those people.David feels uncomfortable in front of all those people.David is easy to be ill because of all those people.David is ill because he stands in front of all those people. David fells comfortable in front of all those people.Giải thíchĐáp án: A Giải thích: David cảm thấy khó chịu trước tất cả những người đó.