Which of the following is a denial of service $($DoS$)$ attack that is carried out by spoofing or forging the source address of packets or requests and sending them to numerous systems, which in turn respond to the request? It is a scaled$-$up version of what happens in the ping flood attack.

A$.$Teardrop attack

B$.$SYN flood

C$.$Smurf attack

D$.$Reflected attack