If They Spend All Night Writing Computer Programs,Laurence Can Write

If they spend all night writing computer programs,Laurence can write 10 programs,and Carrie Anne can write 5.If they spend all night making sunglasses,Laurence can make 6 pairs,and Carrie Anne can make 4.Given this information and supposing Laurence and Carrie Anne have constant opportunity costs,we know that _____ has an absolute advantage in _____.

A) Laurence;programs but not in sunglasses.
B) Laurence;both programs and sunglasses.
C) Carrie Anne;programs but not in sunglasses.
D) Carrie Anne;both programs and sunglasses.