What is the best way to make the language more precise for the underlined part of this sentence?
a) and the excluded los angeles county, which is within the coastal counties that surround it.
b) and the coastal counties excluding the surrounding los angeles county itself as shown (in figure 6.1.)
c) and the coastal counties surrounding los angeles county but not considering los angeles county itself as a county that is included in this data.
d) and the l. a. coastal counties. note: los angeles county itself, however, is not to be included in the counties that surround it when considering the data shown in figure 6.1.