 I would certainly be happy to recommend such a test if I believe ,Mr. A is likely to pass it and he is always welcome to enroll in a driver's safety program without my recommendation, however, I think it is exceeding unlikely that he has the capability of passing this rigorous test at this time. 
I would certainly be happy to recommend such a test if I believe , Mr. A is likely to pass it and he is always welcome to enroll in a driver 's safety program without my recommendation , however , I think it is exceeding unlikely that he has the capability of passing this rigorous test at this time .