Why does the host respond to hping2 and not ping packet?

You ping a target IP to check if the host is up. You do not get a response. You suspect ICMP is
blocked at the firewall. Next you use hping2 tool to ping the target host and you get a response.
Why does the host respond to hping2 and not ping packet?

A.
Ping packets cannot bypass firewalls

B.
You must use ping 10.2.3.4 switch

C.
Hping2 uses stealth TCP packets to connect

D.
Hping2 uses TCP instead of ICMP by default