Refer to the exhibit.
Which issue could cause the Blocked status on A2?
A. A1 and A2 are connected to different switches.
B. A1 and A2 use different trunk load balancing modes.
C. A1 and A2 support different VLANs.
D. A1 and A2 have spanning tree enabled on the link aggregation.
https://techhub.hpe.com/eginfolib/networking/docs/switches/RA/15-18/5998-8161_ra_2620_mcg/content/ch04s07.html
Port Status Blocked: Blocked: Spanning Tree has blocked the port.
Answer is D
A is the correct answers. For spanning tree Trk2 will act like a single interface but if that interface is connected to two different switch it will turn one of the ports of the trk2 in blocked status to prevent it from the loop.
I bet A