What we found at the beach and Comments

One never know what treasures the beach will offer on a given day.

On our morning walk two weeks ago, we found all types of coral.  

Since yesterday, I am unable to" COMMENT" on YOUR blogs.  I am receiving "Comments",

however cannot reply to your comments.

When I comment on your blogs here is what happens:

I write my comment

From my drop down menu I select Google A/C

and bam....My comment disappears 

Does anyone have any solutions?