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Question: Which of the following sentence correctly uses punctuations?

a.

China already has three profound interest in Central Asia, in securig supplies of energy, in the land route to Europe, and in ensurign stability in its own.
b.

China already has three profound interest in Central Asia: in securig supplies of energy, in the land route to Europe and in ensurign stability in its own.
c.

China already has three profound interest in Central Asia - in securig supplies of energy; in the land route to Europe, and in ensurign stability in its own.
d.

China already has three profound interest in Central Asia: in securig supplies of energy; in the land route to Europe; and in ensurign stability in its own.