Final answer:
A) In. The In port is the MIDI port that allows for reception.
Step-by-step explanation:
The MIDI port that allows for reception is the In port. MIDI stands for Musical Instrument Digital Interface, which is a protocol used for communication between electronic musical instruments, computers, and other devices. The In port on a MIDI device is used to receive MIDI data from another device or source, such as a keyboard or computer.