How should a developer analyze the requests with long response times?

An AEM site experiences slower page loads. A developer needs to identify the slow running requests.

How should a developer analyze the requests with long response times?
A . Use proxy.jar with the following command java -jar proxy.jar <host> <remoteport> <localport> to debug the webserver and AEM server communication
B . Use rlog.jar with the following command $ java -jar ../opt/helpers/rlog.jar -n 10 request.log to identify long running requests
C . Download Heapdumps from Tools > Operations > Diagnosis and analyze the Heapdumps using the Memory Analyzer Tool
D . Embed /libs/foundation/components/timing component in the Page Component and verify the page load time

Answer: B