Answer: a)Use Bit-locker Encryption with the TPM chip.
Explanation: Bit-locker encryption is the Windows encryption technique for security with the in which the threat regarding the system's data and protection of operating system.
TPM (Trusted platform module) is the security chips that works against the tampering of the encrypted key .The keys are holding the data in the encoded form and then examines the integrity of the information. The combination of TPM with the Bi-locker encryption will secure the laptop.
Other options are incorrect because secure boot is only for examining the system boot loader, basic input and output system(BIOS) will only protect input and output action of system with password and optical drive having no booting will protect laptop from only corruption through disc.Thus, the correct option is option(a).