CompTIA A+ 220-902 Question G-64

A user wishes to access their contacts from their Android phone. Which of the following methods will provide the MOST up-to-date contact information on the users phone on a daily basis?

A. Enable contact synchronization by setting up their email account on the phone.
B. Download all their contacts in a .csv file and import them into the phone via a USB laptop connection.
C. Enable Bluetooth and transfer the contacts from their laptop to the cell phone.
D. Enable email synchronization and email the contacts to the user account for download.