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0/0 80 -j ACCEPT What is the function of this rule?

You have recently taken over the security of a mid-sized network. You are reviewing the current configuration of the IPTables firewall, and notice the following rule:
ipchains -A output -p TCP -s 10.0.10.0/24 -d 0.0.0.0/0 80 -j ACCEPT What is the function of this rule?

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A.
This rule for the output chain states that any TCP traffic from the 10.0.10.0 network and destined for any IP address on port 80 is to be accepted.

B.
This rule for the input chain states that any TCP traffic from the 10.0.10.0 network and destined for any IP address on port 80 is to be accepted.

C.
This rule for the output chain states that all traffic from any network and destined for the 10.0.10.0 network on port 80 is to be accepted.

D.
This rule states that all web traffic from any network is to jump to the accept rule.

E.
This rule states that all incoming web traffic from any network is to be output to the accept rule.

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