Match Each of the Following Scenarios with the Most Appropriate

Match each of the following scenarios with the most appropriate description.Some descriptions may be used more than once.
a.leading but not managing
b.managing but not leading
c.neither managing nor leading
d.managing and leading
-Asad is a junior software developer.Everybody loves him and thinks he's fun, good-natured and smart.Since he's new, he's currently more focused on making sure his work gets done and done well than on developing a vision for the future of the software.