My grandchildren have changed a lot in the last year - they are growing up , after all , as children tend to do . Last year , Luka still needed some help with dressing , toileting , and had to be watched pretty closely . Now he 's running around with the rest of the crew , playing hard and enjoying being a boy .
Why is Luka showing more confidence lately ?
Pick the best answer from the following options:
A. He is a man .
B. He is growing into himself .
C. He has had children of his own .
D. None of the above choices .


B